Ricoh M065 - Page 350

SC Tables
M065/M066 3-40 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
669 D
NVRAM error
Retry of NVRAM communication fails three times after the machine has
detected the NVRAM error.
Caused by noise
Turn the main power switch off and on.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
670
CTL
D
Engine start up error
The ready signal from the engine board is not detected.
Defective engine board.
Replace the engine board.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
671
CTL
D
Engine board mismatch error
Engine board and controller mismatch detected.
 Wrong engine board installed.
 Wrong controller board installed.
 Check the type of engine board and controller board.
1. Replace the BCU.
2. Replace the controller board.