- Paper lift motor /3 (M9: PF-703)
- Paper lift motor /3 (M44: PF-706)
- PF drive board (PFUDB: PF-703/706)
- Check the connector connection and the wiring between PFUDB and motor, 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: 19-F, PF-706: 9-C).
- Replace M9: PF-703 or M44: PF-706
- Replace PFUDB
