Option to disable fans during pause (#13820)

Marlin/Configuration_adv.h

@@ -1365,6 +1365,7 @@
                                                   //   Filament can be extruded repeatedly from the Filament Change menu
                                                   //   until extrusion is consistent, and to purge old filament.
   #define ADVANCED_PAUSE_RESUME_PRIME          0  // (mm) Extra distance to prime nozzle after returning from park.
+  //#define ADVANCED_PAUSE_FANS_PAUSE             // Turn off print-cooling fans while the machine is paused.
 
                                                   // Filament Unload does a Retract, Delay, and Purge first:
   #define FILAMENT_UNLOAD_RETRACT_LENGTH      13  // (mm) Unload initial retract length.

Marlin/src/feature/pause.cpp

@@ -424,6 +424,10 @@ bool pause_print(const float &retract, const point_t &park_point, const float &u
   // Wait for buffered blocks to complete
   planner.synchronize();
 
+  #if ENABLED(ADVANCED_PAUSE_FANS_PAUSE) && FAN_COUNT > 0
+    thermalManager.set_fans_paused(true);
+  #endif
+
   // Initial retract before move to filament change position
   if (retract && thermalManager.hotEnoughToExtrude(active_extruder))
     do_pause_e_move(retract, PAUSE_PARK_RETRACT_FEEDRATE);
@@ -660,6 +664,10 @@ void resume_print(const float &slow_load_length/*=0*/, const float &fast_load_le
     }
   #endif
 
+  #if ENABLED(ADVANCED_PAUSE_FANS_PAUSE) && FAN_COUNT > 0
+    thermalManager.set_fans_paused(false);
+  #endif
+
   // Resume the print job timer if it was running
   if (print_job_timer.isPaused()) print_job_timer.start();
 

Marlin/src/module/temperature.cpp

@@ -174,7 +174,7 @@ hotend_info_t Temperature::temp_hotend[HOTENDS]; // = { 0 }
     #endif
   }
 
-  #if ENABLED(PROBING_FANS_OFF)
+  #if EITHER(PROBING_FANS_OFF, ADVANCED_PAUSE_FANS_PAUSE)
 
     void Temperature::set_fans_paused(const bool p) {
       static uint8_t saved_fan_speed[FAN_COUNT]; // = { 0 }
@@ -187,7 +187,7 @@ hotend_info_t Temperature::temp_hotend[HOTENDS]; // = { 0 }
       }
     }
 
-  #endif // PROBING_FANS_OFF
+  #endif
 
 #endif // FAN_COUNT > 0
 

Marlin/src/module/temperature.h

@@ -448,7 +448,7 @@ class Temperature {
 
       #endif // HAS_LCD_MENU
 
-      #if ENABLED(PROBING_FANS_OFF)
+      #if EITHER(PROBING_FANS_OFF, ADVANCED_PAUSE_FANS_PAUSE)
         void set_fans_paused(const bool p);
       #endif