Ricoh Aficio SP C440DN

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
536 D Drive unit fan error
The motor lock signal error is detected for 10 seconds after the motor lock signal
was first detected.
• Defective drive unit fan
• Disconnected or defective harness
• Defective BCU
1. Check or replace the harness.
2. Replace the drive unit fan.
3. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
537 D Fusing cooling fan error
The motor lock signal error from the fusing cooling fan is detected for 10 seconds
after turning on the fusing cooling fan.
• Disconnected harness of the fusing cooling fan
• Defective fusing cooling fan
• Defective BCU
1. Check or replace the harness of the fusing cooling fan.
2. Replace the fusing cooling fan.
3. Replace the BCU.
SC Tables
585