Ricoh D027 Service Manual page 70

No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
Other than the above causes
1. Ask your supervisor.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
HDD Data Overwrite Security SD card error
The 'all delete' function cannot be executed but the Data Overwrite
Security Unit (D377) is installed and activated.
CTL
877
Defective SD card (D377)
D
SD card (D377) not installed
1. Replace the NVRAM and then install the new SD card (D377).
2. Check and reinstall the SD card (D377).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
TPM system authentication error
The system firmware is not authenticated by TPM (security chip).
CTL
878
D
Incorrect updating for the system firmware
Defective flash ROM on the controller board
1. Replace the controller board.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
File format converter error
The file format converter does not respond.
CTL
880
D
Defective file format converter
1. Replace the file format converter.
SM 3-73
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SC Tables
D027/D029 APPENDICES