Ricoh MP C2504 Field Service Manual page 943

6. Troubleshooting
No.
SC858-02
No.
SC858-30
No.
SC858-31
934
Type Error Name/Error Condition/Major Cause/Solution
A Data encryption conversion error (NVRAM Read/Write Error)
A serious error occurred after data conversion during an attempt to
update the encryption key.
NVRAM defective
• Replace the NVRAM.
• Replace the controller board.
Type Error Name/Error Condition/Major Cause/Solution
A Data encryption conversion error (NVRAM Before Replace Error)
A serious error occurred after data conversion during an attempt to
update the encryption key.
Software error such as conversion parameters being invalid.
• Turn the main power OFF/ON.
• If the error persists, replace the controller board.
Type Error Name/Error Condition/Major Cause/Solution
A Data encryption conversion error (Other Error)
A serious error occurred after data conversion during an attempt to
update the encryption key.
Controller board defective
Replace the controller board.