No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
520 B 2nd paper tray cooling fan error (optional paper feed unit)
521 B 3rd paper tray cooling fan error (optional paper feed unit)
522 B 4th paper tray cooling fan error (optional paper feed unit)
- - The motor lock signal error from the cooling fan is detected for 10 seconds after
turning on the cooling fan.
• Disconnected harness of the cooling fan
• Defective cooling fan
• Defective BCU
1. Check or replace the harness of the cooling fan.
2. Replace the cooling fan.
3. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
530 D Development fan 1 error
531 D Development fan 2 error
The motor lock signal error is detected for 10 seconds after the motor lock signal
was first detected.
• Defective development fan 1 or development fan 2
• Disconnected or defective harness
• Defective BCU
1. Check or replace the harness.
2. Replace the development fan 1 (SC530) or development fan 2 (SC531).
3. Replace the BCU.
6. Troubleshooting
582
To Next Page
Loading...
