Ricoh D027 Service Manual page 41

SC Tables
No. Type
No. Type
CTL
636 SD Card Error
D
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.
01 -
1.
2.
3.
Version error
The version of the expanded authentication module is not correct.
02 -
1.
No. Type
641 CTL BICU control data transfer abnormal
D
A sampling of the control data sent from the BICU reveals an
abnormality.
D027/D029 APPENDICES
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Counter device control board defective
Backup battery of counter device defective
Details (Symptom, Possible Cause, Troubleshooting Procedures)
No expanded authentication module
Defective SD card
No DESS module
Install the expanded authentication module.
Install the SD card.
Install the DESS module.
Incorrect module version
Install the correct file of the expanded authentication module.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
3-44 SM