Ricoh D027 Service Manual page 5

SC Tables
No. Type
The error result of self-diagnostic by the ASIC on the BICU is detected.
001 D
1.
2.
Detected an error during an access to the Ri.
002 D
1.
No. Type
Copy Data Security Unit error
165 D
1.
2.
No. Type
195 D Serial Number Mismatch
D027/D029 APPENDICES
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Defective BICU
Defective connection between BICU and SBU
Check the connection between BICU and SBU.
Replace the BICU.
Defective BICU board
Replace the BICU board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
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
Reinstall the copy data security board.
Replace the copy data security board.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Serial number stored in the memory does not have the correct
code.
NVRAM defective
BICU replaced without original NVRAM
3-8 SM