SC6xx: Device Communication
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
620 D
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.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
621 D Finisher communication error
622 D Paper tray unit communication error
3. Appendix: Service Call Conditions
68