Automatic Tool Migration feature (MarlinFirmware#17248)

Marlin/Configuration_adv.h

@@ -1847,19 +1847,55 @@
  */
 #if EXTRUDERS > 1
   // Z raise distance for tool-change, as needed for some extruders
-  #define TOOLCHANGE_ZRAISE     2  // (mm)
-  //#define TOOLCHANGE_NO_RETURN   // Never return to the previous position on tool-change
+  #define TOOLCHANGE_ZRAISE                 2 // (mm)
+  //#define TOOLCHANGE_ZRAISE_BEFORE_RETRACT  // Apply raise before swap retraction (if enabled)
+  //#define TOOLCHANGE_NO_RETURN              // Never return to previous position on tool-change
   #if ENABLED(TOOLCHANGE_NO_RETURN)
-    //#define EVENT_GCODE_AFTER_TOOLCHANGE "G12X"   // G-code to run after tool-change is complete
+    //#define EVENT_GCODE_AFTER_TOOLCHANGE "G12X"   // Extra G-code to run after tool-change
   #endif
 
-  // Retract and prime filament on tool-change
+  /**
+   * Retract and prime filament on tool-change to reduce
+   * ooze and stringing and to get cleaner transitions.
+   */
   //#define TOOLCHANGE_FILAMENT_SWAP
   #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
-    #define TOOLCHANGE_FIL_SWAP_LENGTH          12  // (mm)
-    #define TOOLCHANGE_FIL_EXTRA_PRIME           2  // (mm)
-    #define TOOLCHANGE_FIL_SWAP_RETRACT_SPEED 3600  // (mm/m)
-    #define TOOLCHANGE_FIL_SWAP_PRIME_SPEED   3600  // (mm/m)
+    // Load / Unload
+    #define TOOLCHANGE_FS_LENGTH              12  // (mm) Load / Unload length
+    #define TOOLCHANGE_FS_EXTRA_RESUME_LENGTH  0  // (mm) Extra length for better restart, fine tune by LCD/Gcode)
+    #define TOOLCHANGE_FS_RETRACT_SPEED   (50*60) // (mm/m) (Unloading)
+    #define TOOLCHANGE_FS_UNRETRACT_SPEED (25*60) // (mm/m) (On SINGLENOZZLE or Bowden loading must be slowed down)
+
+    // Longer prime to clean out a SINGLENOZZLE
+    #define TOOLCHANGE_FS_EXTRA_PRIME          0  // (mm) Extra priming length
+    #define TOOLCHANGE_FS_PRIME_SPEED    (4.6*60) // (mm/m) Extra priming feedrate
+    #define TOOLCHANGE_FS_WIPE_RETRACT         0  // (mm/m) Retract before cooling for less stringing, better wipe, etc.
+
+    // Cool after prime to reduce stringing
+    #define TOOLCHANGE_FS_FAN                 -1  // Fan index or -1 to skip
+    #define TOOLCHANGE_FS_FAN_SPEED          255  // 0-255
+    #define TOOLCHANGE_FS_FAN_TIME            10  // (seconds)
+
+    // Swap uninitialized extruder with TOOLCHANGE_FS_PRIME_SPEED for all lengths (recover + prime)
+    // (May break filament if not retracted beforehand.)
+    //#define TOOLCHANGE_FS_INIT_BEFORE_SWAP
+
+    // Prime on the first T command even if the same or no toolchange / swap
+    // Enable it (M217 V[0/1]) before printing, to avoid unwanted priming on host connect
+    //#define TOOLCHANGE_FS_PRIME_FIRST_USED
+
+    /**
+     * Tool Change Migration
+     * This feature provides G-code and LCD options to switch tools mid-print.
+     * All applicable tool properties are migrated so the print can continue.
+     * Tools must be closely matching and other restrictions may apply.
+     * Useful to:
+     *   - Change filament color without interruption
+     *   - Switch spools automatically on filament runout
+     *   - Switch to a different nozzle on an extruder jam
+     */
+    #define TOOLCHANGE_MIGRATION_FEATURE
+
   #endif
 
   /**
@@ -1870,8 +1906,10 @@
   #if ENABLED(TOOLCHANGE_PARK)
     #define TOOLCHANGE_PARK_XY    { X_MIN_POS + 10, Y_MIN_POS + 10 }
     #define TOOLCHANGE_PARK_XY_FEEDRATE 6000  // (mm/m)
+    //#define TOOLCHANGE_PARK_X_ONLY          // X axis only move
+    //#define TOOLCHANGE_PARK_Y_ONLY          // Y axis only move
   #endif
-#endif
+#endif // EXTRUDERS > 1
 
 /**
  * Advanced Pause

Marlin/src/feature/runout.cpp

@@ -39,6 +39,10 @@ bool FilamentMonitorBase::enabled = true,
   bool FilamentMonitorBase::host_handling; // = false
 #endif
 
+#if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
+  #include "../module/tool_change.h"
+#endif
+
 /**
  * Called by FilamentSensorSwitch::run when filament is detected.
  * Called by FilamentSensorEncoder::block_completed when motion is detected.
@@ -76,6 +80,11 @@ void event_filament_runout() {
 
   if (TERN0(ADVANCED_PAUSE_FEATURE, did_pause_print)) return;  // Action already in progress. Purge triggered repeated runout.
 
+  #if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
+    if (migration.in_progress) return;  // Action already in progress. Purge triggered repeated runout.
+    if (migration.automode) { extruder_migration(); return; }
+  #endif
+
   TERN_(EXTENSIBLE_UI, ExtUI::onFilamentRunout(ExtUI::getActiveTool()));
 
   #if EITHER(HOST_PROMPT_SUPPORT, HOST_ACTION_COMMANDS)

Marlin/src/gcode/config/M217.cpp

@@ -27,6 +27,10 @@
 #include "../gcode.h"
 #include "../../module/tool_change.h"
 
+#if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
+  #include "../../module/motion.h"
+#endif
+
 #include "../../MarlinCore.h" // for SP_X_STR, etc.
 
 extern const char SP_X_STR[], SP_Y_STR[], SP_Z_STR[];
@@ -35,16 +39,30 @@ void M217_report(const bool eeprom=false) {
 
   #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
     serialprintPGM(eeprom ? PSTR("  M217") : PSTR("Toolchange:"));
-    SERIAL_ECHOPAIR(" S", LINEAR_UNIT(toolchange_settings.swap_length));
-    SERIAL_ECHOPAIR_P(SP_E_STR, LINEAR_UNIT(toolchange_settings.extra_prime));
-    SERIAL_ECHOPAIR_P(SP_P_STR, LINEAR_UNIT(toolchange_settings.prime_speed));
-    SERIAL_ECHOPAIR(" R", LINEAR_UNIT(toolchange_settings.retract_speed));
+    SERIAL_ECHOPAIR(" S", LINEAR_UNIT(toolchange_settings.swap_length),
+                    " B", LINEAR_UNIT(toolchange_settings.extra_resume));
+    SERIAL_ECHOPAIR_P(SP_E_STR, LINEAR_UNIT(toolchange_settings.extra_prime),
+                      SP_P_STR, LINEAR_UNIT(toolchange_settings.prime_speed));
+    SERIAL_ECHOPAIR(" R", LINEAR_UNIT(toolchange_settings.retract_speed),
+                    " U", LINEAR_UNIT(toolchange_settings.unretract_speed),
+                    " F", toolchange_settings.fan_speed,
+                    " G", toolchange_settings.fan_time);
+
+    #if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
+      SERIAL_ECHOPAIR(" N", int(migration.automode));
+      SERIAL_ECHOPAIR(" L", LINEAR_UNIT(migration.last));
+    #endif
 
     #if ENABLED(TOOLCHANGE_PARK)
+      SERIAL_ECHOPAIR(" W", LINEAR_UNIT(toolchange_settings.enable_park));
       SERIAL_ECHOPAIR_P(SP_X_STR, LINEAR_UNIT(toolchange_settings.change_point.x));
       SERIAL_ECHOPAIR_P(SP_Y_STR, LINEAR_UNIT(toolchange_settings.change_point.y));
     #endif
 
+    #if ENABLED(TOOLCHANGE_FS_PRIME_FIRST_USED)
+      SERIAL_ECHOPAIR(" V", LINEAR_UNIT(enable_first_prime));
+    #endif
+
   #else
 
     UNUSED(eeprom);
@@ -58,48 +76,98 @@ void M217_report(const bool eeprom=false) {
 /**
  * M217 - Set SINGLENOZZLE toolchange parameters
  *
+ *  // Tool change command
+ *  Q           Prime active tool and exit
+ *
+ *  // Tool change settings
  *  S[linear]   Swap length
- *  E[linear]   Purge length
+ *  B[linear]   Extra Swap length
+ *  E[linear]   Prime length
  *  P[linear/m] Prime speed
  *  R[linear/m] Retract speed
+ *  U[linear/m] UnRetract speed
+ *  V[linear]   0/1 Enable auto prime first extruder used
+ *  W[linear]   0/1 Enable park & Z Raise
  *  X[linear]   Park X (Requires TOOLCHANGE_PARK)
  *  Y[linear]   Park Y (Requires TOOLCHANGE_PARK)
  *  Z[linear]   Z Raise
+ *  F[linear]   Fan Speed 0-255
+ *  G[linear/s] Fan time
+ *
+ * Tool migration settings
+ *  A[0|1]      Enable auto-migration on runout
+ *  L[index]    Last extruder to use for auto-migration
+ *
+ * Tool migration command
+ *  T[index]    Migrate to next extruder or the given extruder
  */
 void GcodeSuite::M217() {
 
-  #define SPR_PARAM
-  #define XY_PARAM
-
   #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
 
-    #undef SPR_PARAM
-    #define SPR_PARAM "SPRE"
+    static constexpr float max_extrude = TERN(PREVENT_LENGTHY_EXTRUDE, EXTRUDE_MAXLENGTH, 500);
 
-    static constexpr float max_extrude =
-      #if ENABLED(PREVENT_LENGTHY_EXTRUDE)
-        EXTRUDE_MAXLENGTH
-      #else
-        500
-      #endif
-    ;
+    if (parser.seen('Q')) { tool_change_prime(); return; }
 
     if (parser.seenval('S')) { const float v = parser.value_linear_units(); toolchange_settings.swap_length = constrain(v, 0, max_extrude); }
+    if (parser.seenval('B')) { const float v = parser.value_linear_units(); toolchange_settings.extra_resume = constrain(v, -10, 10); }
     if (parser.seenval('E')) { const float v = parser.value_linear_units(); toolchange_settings.extra_prime = constrain(v, 0, max_extrude); }
     if (parser.seenval('P')) { const int16_t v = parser.value_linear_units(); toolchange_settings.prime_speed = constrain(v, 10, 5400); }
     if (parser.seenval('R')) { const int16_t v = parser.value_linear_units(); toolchange_settings.retract_speed = constrain(v, 10, 5400); }
+    if (parser.seenval('U')) { const int16_t v = parser.value_linear_units(); toolchange_settings.unretract_speed = constrain(v, 10, 5400); }
+    #if TOOLCHANGE_FS_FAN >= 0 && FAN_COUNT > 0
+      if (parser.seenval('F')) { const int16_t v = parser.value_linear_units(); toolchange_settings.fan_speed = constrain(v, 0, 255); }
+      if (parser.seenval('G')) { const int16_t v = parser.value_linear_units(); toolchange_settings.fan_time = constrain(v, 1, 30); }
+    #endif
+  #endif
+
+  #if ENABLED(TOOLCHANGE_FS_PRIME_FIRST_USED)
+    if (parser.seenval('V')) { enable_first_prime = parser.value_linear_units(); }
   #endif
 
   #if ENABLED(TOOLCHANGE_PARK)
-    #undef XY_PARAM
-    #define XY_PARAM "XY"
-    if (parser.seenval('X')) { toolchange_settings.change_point.x = parser.value_linear_units(); }
-    if (parser.seenval('Y')) { toolchange_settings.change_point.y = parser.value_linear_units(); }
+    if (parser.seenval('W')) { toolchange_settings.enable_park = parser.value_linear_units(); }
+    if (parser.seenval('X')) { const int16_t v = parser.value_linear_units(); toolchange_settings.change_point.x = constrain(v, X_MIN_POS, X_MAX_POS); }
+    if (parser.seenval('Y')) { const int16_t v = parser.value_linear_units(); toolchange_settings.change_point.y = constrain(v, Y_MIN_POS, Y_MAX_POS); }
   #endif
 
   if (parser.seenval('Z')) { toolchange_settings.z_raise = parser.value_linear_units(); }
 
-  if (!parser.seen(SPR_PARAM XY_PARAM "Z")) M217_report();
+  #if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
+    migration.target = 0;       // 0 = disabled
+
+    if (parser.seenval('L')) {  // Last
+      const int16_t lval = parser.value_int();
+      if (WITHIN(lval, 0, EXTRUDERS - 1)) {
+        migration.last = lval;
+        migration.automode = (active_extruder < migration.last);
+      }
+    }
+
+    if (parser.seen('A'))       // Auto on/off
+      migration.automode = parser.value_bool();
+
+    if (parser.seen('T')) {     // Migrate now
+      if (parser.has_value()) {
+        const int16_t tval = parser.value_int();
+        if (WITHIN(tval, 0, EXTRUDERS - 1) && tval != active_extruder) {
+          migration.target = tval + 1;
+          extruder_migration();
+          migration.target = 0; // disable
+          return;
+        }
+        else
+          migration.target = 0; // disable
+      }
+      else {
+        extruder_migration();
+        return;
+      }
+    }
+
+  #endif
+
+  M217_report();
 }
 
 #endif // EXTRUDERS > 1

Marlin/src/gcode/config/M221.cpp

@@ -33,10 +33,8 @@ void GcodeSuite::M221() {
   const int8_t target_extruder = get_target_extruder_from_command();
   if (target_extruder < 0) return;
 
-  if (parser.seenval('S')) {
-    planner.flow_percentage[target_extruder] = parser.value_int();
-    planner.refresh_e_factor(target_extruder);
-  }
+  if (parser.seenval('S'))
+    planner.set_flow(target_extruder, parser.value_int());
   else {
     SERIAL_ECHO_START();
     SERIAL_CHAR('E', '0' + target_extruder);

Marlin/src/gcode/sd/M1001.cpp

@@ -31,10 +31,6 @@
   #include "../queue.h"
 #endif
 
-#if HAS_LEDS_OFF_FLAG
-  #include "../../MarlinCore.h"
-#endif
-
 #if EITHER(LCD_SET_PROGRESS_MANUALLY, SD_REPRINT_LAST_SELECTED_FILE)
   #include "../../lcd/ultralcd.h"
 #endif
@@ -44,6 +40,7 @@
 #endif
 
 #if HAS_LEDS_OFF_FLAG
+  #include "../../MarlinCore.h" // for wait_for_user_response
   #include "../../feature/leds/printer_event_leds.h"
 #endif
 

Marlin/src/inc/Conditionals_post.h

@@ -2222,8 +2222,8 @@
   #define FILAMENT_CHANGE_SLOW_LOAD_LENGTH 0
 #endif
 
-#if EXTRUDERS > 1 && !defined(TOOLCHANGE_FIL_EXTRA_PRIME)
-  #define TOOLCHANGE_FIL_EXTRA_PRIME 0
+#if EXTRUDERS > 1 && !defined(TOOLCHANGE_FS_EXTRA_PRIME)
+  #define TOOLCHANGE_FS_EXTRA_PRIME 0
 #endif
 
 /**

Marlin/src/inc/SanityCheck.h

@@ -833,14 +833,15 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
   #endif
 
   #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
-    #ifndef TOOLCHANGE_FIL_SWAP_LENGTH
-      #error "TOOLCHANGE_FILAMENT_SWAP requires TOOLCHANGE_FIL_SWAP_LENGTH. Please update your Configuration."
-    #elif !defined(TOOLCHANGE_FIL_SWAP_RETRACT_SPEED)
-      #error "TOOLCHANGE_FILAMENT_SWAP requires TOOLCHANGE_FIL_SWAP_RETRACT_SPEED. Please update your Configuration."
-    #elif !defined(TOOLCHANGE_FIL_SWAP_PRIME_SPEED)
-      #error "TOOLCHANGE_FILAMENT_SWAP requires TOOLCHANGE_FIL_SWAP_PRIME_SPEED. Please update your Configuration."
+    #ifndef TOOLCHANGE_FS_LENGTH
+      #error "TOOLCHANGE_FILAMENT_SWAP requires TOOLCHANGE_FS_LENGTH. Please update your Configuration_adv.h."
+    #elif !defined(TOOLCHANGE_FS_RETRACT_SPEED)
+      #error "TOOLCHANGE_FILAMENT_SWAP requires TOOLCHANGE_FS_RETRACT_SPEED. Please update your Configuration_adv.h."
+    #elif !defined(TOOLCHANGE_FS_PRIME_SPEED)
+      #error "TOOLCHANGE_FILAMENT_SWAP requires TOOLCHANGE_FS_PRIME_SPEED. Please update your Configuration_adv.h."
     #endif
   #endif
+
   #if ENABLED(TOOLCHANGE_PARK)
     #ifndef TOOLCHANGE_PARK_XY
       #error "TOOLCHANGE_PARK requires TOOLCHANGE_PARK_XY. Please update your Configuration."

Marlin/src/lcd/extui/lib/dgus/DGUSDisplay.cpp

@@ -573,8 +573,7 @@ void DGUSScreenVariableHandler::HandleFlowRateChanged(DGUS_VP_Variable &var, voi
       #endif
     }
 
-    planner.flow_percentage[target_extruder] = newvalue;
-    planner.refresh_e_factor(target_extruder);
+    planner.set_flow(target_extruder, newvalue);
     ScreenHandler.skipVP = var.VP; // don't overwrite value the next update time as the display might autoincrement in parallel
   #else
     UNUSED(var); UNUSED(val_ptr);

Marlin/src/lcd/extui/ui_api.cpp

@@ -669,10 +669,7 @@ namespace ExtUI {
   float getRetractAcceleration_mm_s2()                { return planner.settings.retract_acceleration; }
   float getTravelAcceleration_mm_s2()                 { return planner.settings.travel_acceleration; }
   void setFeedrate_mm_s(const feedRate_t fr)          { feedrate_mm_s = fr; }
-  void setFlow_percent(const int16_t flow, const extruder_t extr) {
-    planner.flow_percentage[extr] = flow;
-    planner.refresh_e_factor(extr);
-  }
+  void setFlow_percent(const int16_t flow, const extruder_t extr) { planner.set_flow(extr, flow); }
   void setMinFeedrate_mm_s(const feedRate_t fr)       { planner.settings.min_feedrate_mm_s = fr; }
   void setMinTravelFeedrate_mm_s(const feedRate_t fr) { planner.settings.min_travel_feedrate_mm_s = fr; }
   void setPrintingAcceleration_mm_s2(const float acc) { planner.settings.acceleration = acc; }

Marlin/src/lcd/language/language_cz.h

@@ -357,8 +357,8 @@ namespace Language_cz {
   PROGMEM Language_Str MSG_FILAMENT_PURGE_LENGTH           = _UxGT("Délka zavedení");
   PROGMEM Language_Str MSG_TOOL_CHANGE                     = _UxGT("Výměna nástroje");
   PROGMEM Language_Str MSG_TOOL_CHANGE_ZLIFT               = _UxGT("Zdvih Z");
-  PROGMEM Language_Str MSG_SINGLENOZZLE_PRIME_SPD          = _UxGT("Rychlost primár.");
-  PROGMEM Language_Str MSG_SINGLENOZZLE_RETRACT_SPD        = _UxGT("Rychlost retrak.");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_PRIME_SPEED        = _UxGT("Rychlost primár.");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_RETRACT_SPEED      = _UxGT("Rychlost retrak.");
   PROGMEM Language_Str MSG_NOZZLE_STANDBY                  = _UxGT("Tryska standby");
   PROGMEM Language_Str MSG_FILAMENTCHANGE                  = _UxGT("Vyměnit filament");
   PROGMEM Language_Str MSG_FILAMENTCHANGE_E                = _UxGT("Vyměnit filament *");

Marlin/src/lcd/language/language_de.h

@@ -347,9 +347,9 @@ namespace Language_de {
   PROGMEM Language_Str MSG_FILAMENT_PURGE_LENGTH           = _UxGT("Entladelänge");
   PROGMEM Language_Str MSG_TOOL_CHANGE                     = _UxGT("Werkzeugwechsel");
   PROGMEM Language_Str MSG_TOOL_CHANGE_ZLIFT               = _UxGT("Z anheben");
-  PROGMEM Language_Str MSG_SINGLENOZZLE_PRIME_SPD          = _UxGT("Prime-Geschwin.");
-  PROGMEM Language_Str MSG_SINGLENOZZLE_RETRACT_SPD        = _UxGT("Einzug-Geschwin.");
-
+  PROGMEM Language_Str MSG_SINGLENOZZLE_PRIME_SPEED        = _UxGT("Prime-Geschwin.");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_RETRACT_SPEED      = _UxGT("Einzug-Geschwin.");
+  PROGMEM Language_Str MSG_NOZZLE_STANDBY                  = _UxGT("Düsen-Standby");
   PROGMEM Language_Str MSG_FILAMENTCHANGE                  = _UxGT("Filament wechseln");
   PROGMEM Language_Str MSG_FILAMENTCHANGE_E                = _UxGT("Filament wechseln *");
   PROGMEM Language_Str MSG_FILAMENTLOAD                    = _UxGT("Filament laden");

Marlin/src/lcd/language/language_en.h

@@ -371,11 +371,22 @@ namespace Language_en {
   PROGMEM Language_Str MSG_CONTROL_RETRACT_RECOVER_SWAPF   = _UxGT("S UnRet V");
   PROGMEM Language_Str MSG_AUTORETRACT                     = _UxGT("AutoRetr.");
   PROGMEM Language_Str MSG_FILAMENT_SWAP_LENGTH            = _UxGT("Swap Length");
+  PROGMEM Language_Str MSG_FILAMENT_SWAP_EXTRA             = _UxGT("Swap Extra");
   PROGMEM Language_Str MSG_FILAMENT_PURGE_LENGTH           = _UxGT("Purge Length");
   PROGMEM Language_Str MSG_TOOL_CHANGE                     = _UxGT("Tool Change");
   PROGMEM Language_Str MSG_TOOL_CHANGE_ZLIFT               = _UxGT("Z Raise");
-  PROGMEM Language_Str MSG_SINGLENOZZLE_PRIME_SPD          = _UxGT("Prime Speed");
-  PROGMEM Language_Str MSG_SINGLENOZZLE_RETRACT_SPD        = _UxGT("Retract Speed");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_PRIME_SPEED        = _UxGT("Prime Speed");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_RETRACT_SPEED      = _UxGT("Retract Speed");
+  PROGMEM Language_Str MSG_FILAMENT_PARK_ENABLED           = _UxGT("Park Head");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_UNRETRACT_SPEED    = _UxGT("Recover Speed");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_FAN_SPEED          = _UxGT("Fan Speed");
+  PROGMEM Language_Str MSG_SINGLENOZZLE_FAN_TIME           = _UxGT("Fan Time");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_ON               = _UxGT("Auto ON");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_OFF              = _UxGT("Auto OFF");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION                  = _UxGT("Tool Migration");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_AUTO             = _UxGT("Auto-migration");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_END              = _UxGT("Last Extruder");
+  PROGMEM Language_Str MSG_TOOL_MIGRATION_SWAP             = _UxGT("Migrate to *");
   PROGMEM Language_Str MSG_FILAMENTCHANGE                  = _UxGT("Change Filament");
   PROGMEM Language_Str MSG_FILAMENTCHANGE_E                = _UxGT("Change Filament *");
   PROGMEM Language_Str MSG_FILAMENTLOAD                    = _UxGT("Load Filament");