Ricoh D143 Field Service Manual page 788

6. Troubleshooting
No. Type
165 D
No. Type
185 D
No. Type
186 D
786
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Copy Data Security Unit error
• The copy data security board is not detected when the copy data security
function is set "ON" with the initial setting.
• A device check error occurs when the copy data security function is set
"ON" with the initial setting.
• Incorrect installation of the copy data security board
• Defective copy data security board
1. Reinstall the copy data security board.
2. Replace the copy data security board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
CIS communication error
Error occurs during ASIC register's automatic initialization on the CIS, or during
transmission between the CIS – DF.
• Harness between the CIS – DF is disconnected
• CIS defective
1. Check or replace the harness (CN220 or CN210 on the DF main board)
between the CIS and DF.
2. Replace the CIS on the DF.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
CIS LED error
LED on the CIS causes an error.
• During initializing, the ratio of the average between leading-edge area and
rear-edge is out of range.
• During scanning, the shading data peak is under the standard value.
• Harness CN210 and CN220 on the DF are disconnected.
1. Check or replace the harness (CN220 or CN210 on the DF main board)
between the CIS and DF.
2. Replace the CIS on the DF.