Ricoh M022 Service Manual page 676

6. Troubleshooting
No. Type
- -
No. Type
6
620 D
No. Type
621 D
622 D
674
CÓPIA NÃO CONTROLADA
Details (Symptom, Possible Cause, Troubleshooting Procedures)
This SC is only for NA models.
The machine detects the mechanical counter error when SP5987-001 is set to "1".
• Disconnected mechanical counter
• Defective mechanical counter
Check or replace the mechanical counter.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
ARDF communication error
After the ARDF is detected, the break signal occurs or communication timeout occurs.
• Incorrect installation of ARDF
• ARDF defective
• BCU 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
CÓPIA NÃO CONTROLADA