Add always cut experimental / for testing feature.

Firmware/Marlin_main.cpp

@@ -7090,8 +7090,11 @@ if((eSoundMode==e_SOUND_MODE_LOUD)||(eSoundMode==e_SOUND_MODE_ONCE))
               }
 			  else
 			  {
+#if defined(MMU_HAS_CUTTER) && defined(MMU_ALWAYS_CUT)
+			      mmu_command(MmuCmd::K0 + tmp_extruder);
+                  manage_response(true, true, MMU_UNLOAD_MOVE);
+#endif //defined(MMU_HAS_CUTTER) && defined(MMU_ALWAYS_CUT)
 				  mmu_command(MmuCmd::T0 + tmp_extruder);
-
 				  manage_response(true, true, MMU_TCODE_MOVE);
 		          mmu_continue_loading(is_usb_printing);
 

Firmware/eeprom.h

@@ -201,5 +201,11 @@
 static M500_conf * const EEPROM_M500_base = reinterpret_cast<M500_conf*>(20); //offset for storing settings using M500
 #endif
 
+enum
+{
+    EEPROM_MMU_CUTTER_ENABLED_enabled = 1,
+    EEPROM_MMU_CUTTER_ENABLED_always = 2,
+};
+
 
 #endif // EEPROM_H

Firmware/ultralcd.cpp

@@ -2346,13 +2346,22 @@ void lcd_set_fan_check() {
 #ifdef MMU_HAS_CUTTER
 void lcd_cutter_enabled()
 {
-    if (1 == eeprom_read_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED))
+    if (EEPROM_MMU_CUTTER_ENABLED_enabled == eeprom_read_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED))
     {
+#ifndef MMU_ALWAYS_CUT
         eeprom_update_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED, 0);
     }
+#else //MMU_ALWAYS_CUT
+        eeprom_update_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED, EEPROM_MMU_CUTTER_ENABLED_always);
+    }
+    else if (EEPROM_MMU_CUTTER_ENABLED_always == eeprom_read_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED))
+    {
+        eeprom_update_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED, 0);
+    }
+#endif //MMU_ALWAYS_CUT
     else
     {
-        eeprom_update_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED, 1);
+        eeprom_update_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED, EEPROM_MMU_CUTTER_ENABLED_enabled);
     }
 }
 #endif //MMU_HAS_CUTTER
@@ -5287,10 +5296,16 @@ static bool settingsCutter()
 {
     if (mmu_enabled)
     {
-        if (1 == eeprom_read_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED))
+        if (EEPROM_MMU_CUTTER_ENABLED_enabled == eeprom_read_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED))
         {
             if (menu_item_function_P(_i("Cutter       [on]"), lcd_cutter_enabled)) return true;//// c=17 r=1
         }
+#ifdef MMU_ALWAYS_CUT
+        else if (EEPROM_MMU_CUTTER_ENABLED_always == eeprom_read_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED))
+        {
+            if (menu_item_function_P(_i("Cutter   [always]"), lcd_cutter_enabled)) return true;//// c=17 r=1
+        }
+#endif
         else
         {
             if (menu_item_function_P(_i("Cutter      [off]"), lcd_cutter_enabled)) return true;//// c=17 r=1