- Upper limit sensor /2 (PS9: PF-703)
- Upper limit sensor /2 (PS6: PF-706)
- Paper lift motor /2 (M8: PF-703)
- Paper lift motor /2 (M43: PF-706)
- 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/replace it if any abnormality. (Wiring diagram: PF-703: 12-F, PF-706: 7-C).
- Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: PF-703: 9-F, PF706: 5-C)
- Replace PS9: PF-703 or PF-706:5-C
- Replace M8: PF-703 or PF-706: 5-C
- Replace PFUDB
