[2.0.x] Enhancements to FILAMENT_RUNOUT_SENSOR (#12069)

- Added FILAMENT_RUNOUT_DISTANCE_MM option
- Added FILAMENT_MOTION_SENSOR option

Marlin/src/config/default/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h

@@ -1006,6 +1006,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Anet/A2/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Anet/A2plus/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Anet/A6/Configuration.h

@@ -1101,6 +1101,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Anet/A8/Configuration.h

@@ -993,6 +993,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Azteeg/X5GT/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/BQ/Hephestos/Configuration.h

@@ -974,6 +974,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_INVERTING false // set to true to invert the logic of the sensor.
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/BQ/WITBOX/Configuration.h

@@ -974,6 +974,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Cartesio/Configuration.h

@@ -985,6 +985,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -996,6 +996,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -991,6 +991,18 @@
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
   #define FIL_RUNOUT_PIN 2 // Creality CR10-S stock sensor
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -1005,6 +1005,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -996,6 +996,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -990,6 +990,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -990,6 +990,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -996,6 +996,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Einstart-S/Configuration.h

@@ -996,6 +996,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Felix/Configuration.h

@@ -968,6 +968,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Felix/DUAL/Configuration.h

@@ -968,6 +968,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -992,6 +992,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Formbot/Raptor/Configuration.h

@@ -1085,6 +1085,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -1028,6 +1028,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Formbot/T_Rex_3/Configuration.h

@@ -1016,6 +1016,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Geeetech/GT2560/Configuration.h

@@ -1001,6 +1001,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Geeetech/MeCreator2/Configuration.h

@@ -993,6 +993,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -1002,6 +1002,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -1001,6 +1001,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -990,6 +990,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/JGAurora/A5/Configuration.h

@@ -998,6 +998,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/MakerParts/Configuration.h

@@ -1006,6 +1006,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Malyan/M150/Configuration.h

@@ -1010,6 +1010,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Malyan/M200/Configuration.h

@@ -985,6 +985,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -990,6 +990,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -990,6 +990,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Mks/Sbase/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/RepRapPro/Huxley/Configuration.h

@@ -1035,6 +1035,18 @@ Black rubber belt(MXL), 18 - tooth aluminium pulley : 87.489 step per mm (Huxley
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/RigidBot/Configuration.h

@@ -984,6 +984,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/SCARA/Configuration.h

@@ -999,6 +999,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/STM32F10/Configuration.h

@@ -988,6 +988,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/STM32F4/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Sanguinololu/Configuration.h

@@ -1017,6 +1017,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/TheBorg/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/TinyBoy2/Configuration.h

@@ -1042,6 +1042,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Tronxy/X1/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Tronxy/X3A/Configuration.h

@@ -990,6 +990,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Tronxy/X5S/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Tronxy/XY100/Configuration.h

@@ -997,6 +997,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/UltiMachine/Archim2/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Velleman/K8200/Configuration.h

@@ -1016,6 +1016,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Velleman/K8400/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

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

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration.h

@@ -996,6 +996,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/adafruit/ST7565/Configuration.h

@@ -986,6 +986,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration.h

@@ -1177,6 +1177,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h

@@ -1114,6 +1114,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/delta/FLSUN/kossel/Configuration.h

@@ -1113,6 +1113,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h

@@ -1113,6 +1113,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/delta/Hatchbox_Alpha/Configuration.h

@@ -1116,6 +1116,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/delta/generic/Configuration.h

@@ -1101,6 +1101,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/delta/kossel_mini/Configuration.h

@@ -1103,6 +1103,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/delta/kossel_pro/Configuration.h

@@ -1104,6 +1104,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/delta/kossel_xl/Configuration.h

@@ -1104,6 +1104,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h

@@ -1000,6 +1000,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/makibox/Configuration.h

@@ -989,6 +989,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/stm32f103ret6/Configuration.h

@@ -988,6 +988,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/tvrrug/Round2/Configuration.h

@@ -981,6 +981,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================

Marlin/src/config/examples/wt150/Configuration.h

@@ -991,6 +991,18 @@
   #define FIL_RUNOUT_PULLUP          // Use internal pullup for filament runout pins.
   //#define FIL_RUNOUT_PULLDOWN      // Use internal pulldown for filament runout pins.
   #define FILAMENT_RUNOUT_SCRIPT "M600"
+
+  // After a runout is detected, continue printing this length of filament
+  // before executing the runout script. Useful for a sensor at the end of
+  // a feed tube. Requires 4 bytes SRAM per sensor, plus 4 bytes overhead.
+  //#define FILAMENT_RUNOUT_DISTANCE_MM 25
+
+  #ifdef FILAMENT_RUNOUT_DISTANCE_MM
+    // Enable this option to use an encoder disc that toggles the runout pin
+    // as the filament moves. (Be sure to set FILAMENT_RUNOUT_DISTANCE_MM
+    // large enough to avoid false positives.)
+    //#define FILAMENT_MOTION_SENSOR
+  #endif
 #endif
 
 //===========================================================================