Marlin Configuration

Filament Runout and Clog Detection Configuration

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1. Open the Marlin configuration file Configuration.h, locate #define FILAMENT_RUNOUT_SENSOR, and remove the comment symbol in front of it.
2. Locate #define FILAMENT_RUNOUT_DISTANCE_MM, remove the comment symbol in front of it, and set it to 3.5 (adjust based on the encoder wheel used; if false triggers occur, appropriately increase this value).
3. Locate #define FILAMENT_MOTION_SENSOR, and remove the comment symbol in front of it.
4. Marlin's filament sensor feature also requires enabling #define NOZZLE_PARK_FEATURE and #define ADVANCED_PAUSE_FEATURE. Please uncomment these and configure specific parameters according to your printer settings.