Unplug the ribbon cables of the filament runout detection. Press downward the tablet of the connector using a pair of tweezers, then unplug the PTFE tube.
Loosen the screw securing the filament runout detection assembly using a 2.0 mm Allen key and remove the assembly.
Loosen the screw securing the broken filament runout detection using a 2.0 mm Allen key. Remove the holder, then the old broken filament runout detection.
Prepare a new filament runout detection. Put the holder in the installation position by aligning it with the screw hole. Tighten the screw securing the holder using a 2.0 mm Allen key.
Put the filament runout detection assembly in the installation position by aligning it with the screw hole. Tighten the screw using a 2.0 mm Allen key.
Insert the PTFE tube into the connector. Then, insert the ribbon cables of the filament runout detection.
Power on the printer. Insert the filament, then the indicator of the module is on. Unplug the filament, then the indicator is off. The printer is ready for use.