Ricoh OR-C1 Field Service Manual page 419

No. Type
The motor lock signal error is detected for 10 seconds after the motor lock signal
was first detected.
• Defective ventilation fan: front or rear
• Disconnected or defective harness
• Defective DRB
- -
• Defective BCU
1. Check or replace the harness.
2. Replace the ventilation fan: front (SC530) or rear (SC531).
3. Replace the DRB.
4. Replace the BCU.
No. Type
Laser unit fan error
The motor lock signal error is detected for 10 seconds after the motor lock signal
was first detected.
• Defective laser unit fan
• Disconnected or defective harness
• Defective drive board
532 D
• Defective BCU
1. Replace the laser unit fan.
2. Check the harness of the laser unit fan.
3. Replace the harness of the laser unit fan.
4. Replace the drive board.
5. Replace the BCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Service Call Conditions
3
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