Ricoh D104 Field Service Manual page 604

6. Troubleshooting
No. Type
01 D
6
02 D
No. Type
CTL
641
D
No. Type
CTL
650
B
602
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Expanded authentication module error
There is no expanded authentication module in the machine.
The SD card or the file of the expanded authentication module is broken.
There is no DESS module in the machine.
• No expanded authentication module
• Defective SD card
• No DESS module
1. Install the expanded authentication module.
2. Install the SD card.
3. Install the DESS module.
Version error
The version of the expanded authentication module is not correct.
• Incorrect module version
1. Install the correct file of the expanded authentication module.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
BCU control data transfer abnormal
A sampling of the control data sent from the BCU reveals an abnormality.
• Controller board defective
• External noise
• BCU board defective
1. Check the connection between the controller board and BCU.
2. Replace the controller board.
3. Replace the BCU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Communication error of the remote service modem (RCG-M)