Ricoh D037 - Page 445

SC Tables
SM Appendix 4-23 D037/D038/D040/D041
Appendix:
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
4. Replace the BCU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
530 D Ventilation fan: front error
531 D Ventilation fan: rear error
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 Details (Symptom, Possible Cause, Troubleshooting Procedures)
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
 Defective BCU
532 D
1. Check or replace the harness.
2. Replace the laser unit fan.
3. Replace the DRB.
4. Replace the BCU.