Sc6Xx: Device Communication - Ricoh OR-C1 Field Service Manual

3. Appendix: Service Call Conditions

SC6xx: Device Communication

No. Type
3
620 D
No. Type
621 D
622 D
68
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Communication error between IPU and ADF
A break occurred in the connection between the IPU and ADF
• Finisher serial cable connection loose, broken
• BCU defective
• Finisher main board defective
• External noise
1. Check the cable connection of the ARDF.
2. Shut out the external noise.
3. Replace the ARDF.
4. Replace the BCU board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Finisher communication error
Paper tray unit communication error