- Upper limit sensor /3 (PS13: PF-703)
- Paper lift motor /3 (M9: PF-703)
- PF drive board (PFUDB: PF-703)
- Check the paper loaded condition and the rear end restricted plate misaligned of the lower 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: 19-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: 16-F).
- Replace PS13
- Replace M9
- Replace PFUDB
