- DC power supply /2 (DCPS/2)
- Printer control board (PRCB)
- AC drive board (ACDB)
- Check the connector connection and the wiring between PRCB and the fan, and repair it if any abnormality.
- Check the connector connection and the wiring between ACDB and the fan, and repair it if any abnormality.
- Rotate the fan or I/O by hand, and repair it if any abnormality. (Wiring diagram: Main body (2/4): 9-A).
- Replace FM10.
- Replace PRCB.
- Replace ACDB.
