• Code: C-1281
• Description: FD alignment motor (M3) drive abnormality. The FD alignment home sensor (PS3) does not turn ON even after a specified period of time after M3 starts the home position search operation. Or, even after a specified period of time after M3 starts the operation, it does not stop.
• Causes: FD alignment home sensor (PS3: RU-506) FD alignment motor (M3: RU-506) RU control board (RUCB: RU-506)
• Remedy: 1 Check the FD alignment section, and clean/repair it if any abnormality. - 2 Check the connector connection and the wiring between RUCB and motor/sensor, and repair it if any abnormality. - 3 Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. RU-506: 1-B 4 Check I/O and the operation of the sensor, and repair/replace it if any abnormality. RU-506: 5-B 5 Replace PS3. - 6 Replace M3. - 7 Replace RUCB

• Code: C-1282
• Description: CD alignment motor (M4) drive abnormality. The CD alignment home sensor (PS4) does not turn ON even after a specified period of time after M4 starts the home position search operation. Or, even after a specified period of time after M4 starts the operation, it does not stop.
• Causes: CD alignment home sensor (PS4: RU-506) CD alignment motor (M4: RU-506) RU control board (RUCB: RU-506)
• Remedy: 1 Check the CD alignment section, and clean/repair it if any abnormality. - 2 Check the connector connection and the wiring between RUCB and motor/sensor, and repair it if any abnormality. - 3 Check the I/O drive of the motor and the coupling of the gear, and repair/replace it if any abnormality. RU-506: 2-B 4 Check I/O and the operation of the sensor, and repair/replace it if any abnormality. RU-506: 5-B 5 Replace PS4. - 6 Replace M4. - 7 Replace RUCB

• Code: C-1301
• Description: 1st tandem LS-505 paper cooling fan motor /Fr (FM1) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM1 operation. 33-6
• Causes: Paper cooling fan /Fr (FM1: LS-505) LS control board (LSCB: LS-505)
• Remedy: 1 Check the connector connection and the wiring between LSCB and the fan, and repair it if any abnormality. - 2 Rotate the fan by I/O or hand, and repair/replace it if any abnormality. LS-505: 4-A 3 Replace FM1. - 4 Replace LSCB.

• Code: C-1302
• Description: 1st tandem LS-505 paper cooling fan motor /1 (FM/2) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM2 operation. 33-6
• Causes: Paper cooling fan motor/1 (FM2: LS-505) Paper cooling fan motor/2 (FM6: LS-505) LS control board (LSCB: LS-505)
• Remedy: 1 Check the connector connection and the wiring between LSCB and the fan, and repair it if any abnormality. - 2 Rotate the fan by I/O or hand, and repair/replace it if any abnormality. LS-505: 6-H 3 Replace FM2 or FM6. - 4 Replace LSCB.

• Code: C-1303
• Description: 1st tandem LS-505 paper cooling fan motor /Mi (FM3) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM3 operation. 33-6
• Causes: Paper cooling fan motor/Mi (FM3: LS-505) LS control board (LSCB: LS-505)
• Remedy: 1 Check the connector connection and the wiring between LSCB and the fan, and repair it if any abnormality. - 2 Rotate the fan by I/O or hand, and repair/replace it if any abnormality. LS-505: 5-A 3 Replace FM3 - 4 Replace LSCB.

• Code: C-1304
• Description: 1st tandem LS-505 motor cooling fan motor /4 (FM) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM4 operation. 33-6
• Causes: Motor cooling fan motor (FM4: LS-505) LS control board (LSCB: LS-505)
• Remedy: 1 Check the connector connection and the wiring between LSCB and the fan, and repair it if any abnormality. - 2 Rotate the fan by I/O or hand, and repair/replace it if any abnormality. LS-505: 7-H 3 Replace FM4 - 4 Replace LSCB.

• Code: C-1305
• Description: 1st tandem LS-505 paper cooling fan motor /Rr (FM5) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM5 operation. 33-6
• Causes: Paper cooling fan motor/Rr (FM5: LS-505) LS control board (LSCB: LS-505)
• Remedy: 1 Check the connector connection and the wiring between LSCB and the fan, and repair it if any abnormality. - 2 Rotate the fan by I/O or hand, and repair/replace it if any abnormality. LS-505: 5-A 3 Replace FM5. - 4 Replace LSCB.

• Code: C-1306
• Description: 2nd tandem LS-505 paper cooling fan motor /Fr (FM1) rotation abnormality. Rotation abnormality detected continuously for the specified time during FM1 operation. 33-7
• Causes: Paper cooling fan /Fr (FM1: LS-505) LS control board (LSCB: LS-505)
• Remedy: 1 Check the connector connection and the wiring between LSCB and the fan, and repair it if any abnormality. - 2 Rotate the fan by I/O or hand, and repair/replace it if any abnormality. LS-505: 4-A 3 Replace FM1. - 4 Replace LSCB.