Improve magnetic dock switching toolhead (#14663)

Marlin/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

Marlin/src/inc/SanityCheck.h

@@ -907,12 +907,11 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
   #endif
 #endif
 
-#if ANY(MAGNETIC_SWITCHING_TOOLHEAD, ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
-  #if ENABLED(EXT_SOLENOID)
-    #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD and EXT_SOLENOID are incompatible. (Pins are used twice.)"
-  #elif !PIN_EXISTS(SOL0)
-    #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SOL0_PIN."
-  #elif !defined(SWITCHING_TOOLHEAD_Y_POS)
+/**
+ * (Electro)magnetic Switching Toolhead requirements
+ */
+#if EITHER(MAGNETIC_SWITCHING_TOOLHEAD, ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
+  #ifndef SWITCHING_TOOLHEAD_Y_POS
     #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_Y_POS"
   #elif !defined(SWITCHING_TOOLHEAD_X_POS)
     #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_X_POS"
@@ -920,6 +919,12 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
     #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_Z_HOP."
   #elif !defined(SWITCHING_TOOLHEAD_Y_CLEAR)
     #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SWITCHING_TOOLHEAD_Y_CLEAR."
+  #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
+    #if ENABLED(EXT_SOLENOID)
+      #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD and EXT_SOLENOID are incompatible. (Pins are used twice.)"
+    #elif !PIN_EXISTS(SOL0)
+      #error "(ELECTRO)MAGNETIC_SWITCHING_TOOLHEAD requires SOL0_PIN."
+    #endif
   #endif
 #endif
 

Marlin/src/module/tool_change.cpp

@@ -349,7 +349,7 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
       fast_line_to_current(X_AXIS);
       planner.synchronize(); // Always sync the final move
 
-      DEBUG_ECHOLNPGM("PE Tool-Change done.");
+      if (DEBUGGING(LEVELING)) DEBUG_POS("PE Tool-Change done.", current_position);
     }
     else { // nomove == true
       // Only engage magnetic field for new extruder
@@ -455,7 +455,7 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
     fast_line_to_current(Y_AXIS); // Move away from docked toolhead
     planner.synchronize();        // Always sync the final move
 
-    if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("ST Tool-Change done.");
+    if (DEBUGGING(LEVELING)) DEBUG_POS("ST Tool-Change done.", current_position);
   }
 
 #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
@@ -463,9 +463,13 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
   inline void magnetic_switching_toolhead_tool_change(const uint8_t tmp_extruder, bool no_move/*=false*/) {
     if (no_move) return;
 
-    constexpr float toolheadposx[] = SWITCHING_TOOLHEAD_X_POS;
+    constexpr float toolheadposx[] = SWITCHING_TOOLHEAD_X_POS,
+                    toolheadclearx[] = SWITCHING_TOOLHEAD_X_SECURITY;
+
     const float placexpos = toolheadposx[active_extruder],
-                grabxpos = toolheadposx[tmp_extruder];
+                placexclear = toolheadclearx[active_extruder],
+                grabxpos = toolheadposx[tmp_extruder],
+                grabxclear = toolheadclearx[tmp_extruder];
 
     /**
      * 1. Move to switch position of current toolhead
@@ -474,7 +478,7 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
      * 4. Grab the new toolhead and move to security position
      */
 
-    if (DEBUGGING(LEVELING)) DEBUG_POS("Starting Toolhead change", current_position);
+    if (DEBUGGING(LEVELING)) DEBUG_POS("Start MST Tool-Change", current_position);
 
     // 1. Move to switch position current toolhead
 
@@ -485,7 +489,7 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
     }
     planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS], active_extruder);
 
-    current_position[X_AXIS] = placexpos + SWITCHING_TOOLHEAD_X_SECURITY;
+    current_position[X_AXIS] = placexclear;
     if (DEBUGGING(LEVELING)) {
       planner.synchronize();
       DEBUG_POS("Move X SwitchPos + Security", current_position);
@@ -510,7 +514,7 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
 
     if (DEBUGGING(LEVELING)) {
       planner.synchronize();
-      SERIAL_ECHOLNPGM("(2) Release and Place Toolhead");
+      DEBUG_ECHOLNPGM("(2) Release and Place Toolhead");
     }
 
     current_position[Y_AXIS] = SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_RELEASE;
@@ -528,7 +532,7 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
 
     if (DEBUGGING(LEVELING)) {
       planner.synchronize();
-      SERIAL_ECHOLNPGM("(3) Move to new toolhead position");
+      DEBUG_ECHOLNPGM("(3) Move to new toolhead position");
     }
 
     current_position[X_AXIS] = grabxpos;
@@ -539,7 +543,7 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
 
     if (DEBUGGING(LEVELING)) {
       planner.synchronize();
-      SERIAL_ECHOLNPGM("(4) Grab new toolhead and move to security position");
+      DEBUG_ECHOLNPGM("(4) Grab new toolhead, move to security position");
     }
 
     current_position[Y_AXIS] = SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_RELEASE;
@@ -552,10 +556,22 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
       DEBUG_POS("Move Y SwitchPos", current_position);
     }
     planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS] * 0.2, active_extruder);
-    planner.synchronize();
-    safe_delay(100); // Give switch time to settle
 
-    current_position[X_AXIS] = grabxpos + SWITCHING_TOOLHEAD_X_SECURITY;
+    #if ENABLED(PRIME_BEFORE_REMOVE) && (SWITCHING_TOOLHEAD_PRIME_MM || SWITCHING_TOOLHEAD_RETRACT_MM)
+      #if SWITCHING_TOOLHEAD_PRIME_MM
+        current_position[E_AXIS] += SWITCHING_TOOLHEAD_PRIME_MM;
+        planner.buffer_line(current_position, MMM_TO_MMS(SWITCHING_TOOLHEAD_PRIME_FEEDRATE), tmp_extruder);
+      #endif
+      #if SWITCHING_TOOLHEAD_RETRACT_MM
+        current_position[E_AXIS] -= SWITCHING_TOOLHEAD_RETRACT_MM;
+        planner.buffer_line(current_position, MMM_TO_MMS(SWITCHING_TOOLHEAD_RETRACT_FEEDRATE), tmp_extruder);
+      #endif
+    #else
+      planner.synchronize();
+      safe_delay(100); // Give switch time to settle
+    #endif
+
+    current_position[X_AXIS] = grabxclear;
     if (DEBUGGING(LEVELING)) DEBUG_POS("Move to new toolhead X + Security", current_position);
     planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS] * 0.1, active_extruder);
     planner.synchronize();
@@ -565,6 +581,8 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
     if (DEBUGGING(LEVELING)) DEBUG_POS("Move back Y clear", current_position);
     planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS], active_extruder); // move away from docked toolhead
     planner.synchronize(); // Always sync last tool-change move
+
+    if (DEBUGGING(LEVELING)) DEBUG_POS("MST Tool-Change done.", current_position);
   }
 
 #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
@@ -573,7 +591,7 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
   inline void est_deactivate_solenoid() { OUT_WRITE(SOL0_PIN, LOW); }
   void est_init() { est_activate_solenoid(); }
 
-  inline void electromagnetic_switching_toolhead(const uint8_t tmp_extruder, bool no_move) {
+  inline void em_switching_toolhead_tool_change(const uint8_t tmp_extruder, bool no_move) {
     if (no_move) return;
 
     constexpr float toolheadposx[] = SWITCHING_TOOLHEAD_X_POS;
@@ -592,7 +610,7 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
      * 9. Apply Z hotend offset to current position
      */
 
-    if (DEBUGGING(LEVELING)) DEBUG_POS("Starting Autopark", current_position);
+    if (DEBUGGING(LEVELING)) DEBUG_POS("Start EMST Tool-Change", current_position);
 
     // 1. Raise Z-Axis to give enough clearance
 
@@ -624,59 +642,51 @@ inline void fast_line_to_current(const AxisEnum fr_axis) {
 
     // 4. Disengage magnetic field, wait for delay
 
-    if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(4) Disengage magnet");
-
     planner.synchronize();
+    if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("(4) Disengage magnet");
     est_deactivate_solenoid();
 
     // 5. Leave extruder and move to position near new extruder parking
 
     if (DEBUGGING(LEVELING)) {
-      SERIAL_ECHOLNPGM("(5) Move near new extruder parking");
+      DEBUG_ECHOLNPGM("(5) Move near new extruder parking");
       DEBUG_POS("Moving ParkPos", current_position);
     }
 
     current_position[Y_AXIS] += SWITCHING_TOOLHEAD_Y_CLEAR;
     planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS] * 0.5f, active_extruder);
-
     current_position[X_AXIS] = grabxpos + hotend_offset[X_AXIS][active_extruder];
     current_position[Y_AXIS] = SWITCHING_TOOLHEAD_Y_POS + SWITCHING_TOOLHEAD_Y_CLEAR  + hotend_offset[Y_AXIS][active_extruder];
     planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS], active_extruder);
 
     // 6. Move gently to park position of new extruder
 
+    current_position[Y_AXIS] -= SWITCHING_TOOLHEAD_Y_CLEAR;
     if (DEBUGGING(LEVELING)) {
       planner.synchronize();
-      SERIAL_ECHOLNPGM("(6) Move near new extruder");
+      DEBUG_ECHOLNPGM("(6) Move near new extruder");
     }
-
-    current_position[Y_AXIS] -= SWITCHING_TOOLHEAD_Y_CLEAR;
     planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[Y_AXIS] * 0.5f, active_extruder);
 
     // 7. Engage magnetic field for new extruder parking
 
     planner.synchronize();
-
-    if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(7) Engage magnetic field");
-
+    if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("(7) Engage magnetic field");
     est_activate_solenoid();
 
     // 8. Unpark extruder
 
-    if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("(8) Unpark extruder");
-
     current_position[Y_AXIS] += SWITCHING_TOOLHEAD_Y_CLEAR;
-
+    if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("(8) Unpark extruder");
     planner.buffer_line(current_position, planner.settings.max_feedrate_mm_s[X_AXIS] * 0.5f, active_extruder);
+    planner.synchronize(); // Always sync the final move
 
     // 9. Apply Z hotend offset to current position
 
+    if (DEBUGGING(LEVELING)) DEBUG_POS("(9) Applying Z-offset", current_position);
     current_position[Z_AXIS] += hotend_offset[Z_AXIS][active_extruder] - hotend_offset[Z_AXIS][tmp_extruder];
 
-    if (DEBUGGING(LEVELING)) {
-      planner.synchronize();
-      DEBUG_POS("(9) Applying Z-offset", current_position);
-    }
+    if (DEBUGGING(LEVELING)) DEBUG_POS("EMST Tool-Change done.", current_position);
   }
 
 #endif // ELECTROMAGNETIC_SWITCHING_TOOLHEAD
@@ -905,7 +915,7 @@ void tool_change(const uint8_t tmp_extruder, bool no_move/*=false*/) {
       #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)                        // Magnetic Switching Toolhead
         magnetic_switching_toolhead_tool_change(tmp_extruder, no_move);
       #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)                 // Magnetic Switching ToolChanger
-        electromagnetic_switching_toolhead(tmp_extruder, no_move);
+        em_switching_toolhead_tool_change(tmp_extruder, no_move);
       #elif ENABLED(SWITCHING_NOZZLE) && !SWITCHING_NOZZLE_TWO_SERVOS   // Switching Nozzle (single servo)
         // Raise by a configured distance to avoid workpiece, except with
         // SWITCHING_NOZZLE_TWO_SERVOS, as both nozzles will lift instead.

config/default/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/3DFabXYZ/Migbot/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/AlephObjects/TAZ4/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Alfawise/U20/Configuration.h

@@ -326,7 +326,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/AliExpress/CL-260/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/AliExpress/UM2pExt/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Anet/A2/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Anet/A2plus/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Anet/A6/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Anet/A8/Configuration.h

@@ -276,7 +276,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Anet/A8plus/Configuration.h

@@ -276,7 +276,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Anet/E16/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/AnyCubic/i3/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/ArmEd/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Azteeg/X5GT/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/BIBO/TouchX/cyclops/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/BIBO/TouchX/default/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/BQ/Hephestos/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/BQ/Hephestos_2/Configuration.h

@@ -283,7 +283,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/BQ/WITBOX/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Cartesio/Configuration.h

@@ -276,7 +276,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/CR-10/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/CR-10S/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/CR-10_5S/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/CR-10mini/Configuration.h

@@ -284,7 +284,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/CR-20 Pro/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/CR-20/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/CR-8/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/Ender-2/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/Ender-3/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/Ender-4/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Creality/Ender-5/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Dagoma/Disco Ultimate/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/EVNOVO (Artillery)/Sidewinder X1/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Einstart-S/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/FYSETC/AIO_II/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/FYSETC/Cheetah/BLTouch/Configuration.h

@@ -268,7 +268,16 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
+  #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
+    #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif
 #endif
 

config/examples/FYSETC/Cheetah/base/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/FYSETC/F6_13/Configuration.h

@@ -277,7 +277,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Felix/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Felix/DUAL/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/FlashForge/CreatorPro/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/FolgerTech/i3-2020/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Formbot/Raptor/Configuration.h

@@ -316,7 +316,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Formbot/T_Rex_2+/Configuration.h

@@ -278,7 +278,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Formbot/T_Rex_3/Configuration.h

@@ -279,7 +279,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/A10/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/A10M/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/A20M/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/GT2560/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/MeCreator2/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/Prusa i3 Pro C/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Geeetech/Prusa i3 Pro W/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Infitary/i3-M508/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/JGAurora/A1/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/JGAurora/A5/Configuration.h

@@ -280,7 +280,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/JGAurora/A5S/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/MakerParts/Configuration.h

@@ -295,7 +295,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Malyan/M150/Configuration.h

@@ -280,7 +280,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Malyan/M200/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Micromake/C1/basic/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Micromake/C1/enhanced/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Mks/Robin/Configuration.h

@@ -276,7 +276,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Mks/Sbase/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Printrbot/PrintrboardG2/Configuration.h

@@ -276,7 +276,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/RapideLite/RL200/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/RepRapPro/Huxley/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/RepRapWorld/Megatronics/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/RigidBot/Configuration.h

@@ -278,7 +278,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/SCARA/Configuration.h

@@ -302,7 +302,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/STM32/Black_STM32F407VET6/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/STM32/STM32F10/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/STM32/STM32F4/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/STM32/stm32f103ret6/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Sanguinololu/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Tevo/Michelangelo/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Tevo/Tarantula Pro/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Tevo/Tornado/V1 (MKS Base)/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Tevo/Tornado/V2 (MKS GEN-L)/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/TheBorg/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/TinyBoy2/Configuration.h

@@ -297,7 +297,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Tronxy/X1/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Tronxy/X3A/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Tronxy/X5S-2E/Configuration.h

@@ -277,7 +277,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Tronxy/X5S/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Tronxy/XY100/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/UltiMachine/Archim1/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/UltiMachine/Archim2/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/VORONDesign/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Velleman/K8200/Configuration.h

@@ -295,7 +295,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Velleman/K8400/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/Velleman/K8400/Dual-head/Configuration.h

@@ -275,7 +275,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif

config/examples/WASP/PowerWASP/Configuration.h

@@ -294,7 +294,14 @@
     #define SWITCHING_TOOLHEAD_SERVO_ANGLES { 0, 180 }  // (degrees) Angles for Lock, Unlock
   #elif ENABLED(MAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Y_RELEASE      5         // (mm) Security distance Y axis
-    #define SWITCHING_TOOLHEAD_X_SECURITY   -35         // (mm) Security distance X axis
+    #define SWITCHING_TOOLHEAD_X_SECURITY   { 90, 150 } // (mm) Security distance X axis (T0,T1)
+    //#define PRIME_BEFORE_REMOVE                       // Prime the nozzle before release from the dock
+    #if ENABLED(PRIME_BEFORE_REMOVE)
+      #define SWITCHING_TOOLHEAD_PRIME_MM           20  // (mm)   Extruder prime length
+      #define SWITCHING_TOOLHEAD_RETRACT_MM         10  // (mm)   Retract after priming length
+      #define SWITCHING_TOOLHEAD_PRIME_FEEDRATE    300  // (mm/m) Extruder prime feedrate
+      #define SWITCHING_TOOLHEAD_RETRACT_FEEDRATE 2400  // (mm/m) Extruder retract feedrate
+    #endif
   #elif ENABLED(ELECTROMAGNETIC_SWITCHING_TOOLHEAD)
     #define SWITCHING_TOOLHEAD_Z_HOP          2         // (mm) Z raise for switching
   #endif