- Upper limit sensor /2 (PS9: PF-703)
- Paper lift motor /2 (M8: PF-703)
- PF drive board (PFUDB: PF-703/706)
- Check the paper loaded condition and the rear end restriction plate misaligned of the middle tray, and repair it if any abnormality.
- Check the connector connection and the wiring between PFUDB and motor/sensor, and repair it if any abnormality.
- Check the I/O drive of the motor and the coupling of the gear, and repair or replace it if there is any abnormality. (Wiring diagram: PF-703: 12-F).
- Check the I/O and the operation of the sensor, and repair or replace it if there is any abnormality. (Wiring diagram: PF-703: 9-F)
- Replace PS9
- Replace M8
- Replace PFUDB
