- FNS control board (FNSCB)
- Gripper paper exit motor /Lw (M17)
- Gripper home sensor /Lw (PS25)
- 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: 6-B)
- Replace PS25.
- Replace M17.
- Replace FNSCB.
