- FNS control board (FNSCB)
- Exit paper press motor (M26)
- Exit paper press home sensor (PS37)
- Check the connector connection and the wiring between FNSCB 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: FS-532: 3-F)
- Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: FS-532: 7-B)
- Replace PS37.
- Replace M26.
- Replace FNSCB.
