- FNS control board (FNSCB)
- Rewind paddle release home sensor (PS38)
- Rewind paddle release motor (M28)
- Check the stacker section, and clean/repair it if any abnormality.
- Check the connector connection and the wiring between FNSCB and the motor/sensor, and repair it if any abnormality.
- Check the I/O drive of the motor of the coupling of the gear, and repair/replace it if any abnormality. (Wiring diagram: FS-532: 2-F)
- Check I/O and the operation of the sensor, and repair/replace it if any abnormality. (Wiring diagram: FS-532: 12-B)
- Replace PS38.
- Replace M28.
- Replace FNSCB.
