Ricoh M281 Series Service Manual page 528

Service Call 900-998
6.10.2 SC900 (CONTROLLER)
SC No. Type
SC900-00 A
SC No. Type
SC990-00 D
D255/D256/M281/M282
Error Name/Error Condition/Major Cause/Solution
Electric counter error
The electric total counter value is out of specification.
Error is detected when increasing the total counter.

Unexpected NV-RAM is attached.

NV-RAM defective

NV-RAM data corrupted.

Data written to unexpected area because of external factor
etc.

The count requested by the SRM on receiving PRT is not
completed.
Replace the NV-RAM.
Error Name/Error Condition/Major Cause/Solution
Software operation error
Software attempted an unexpected operation.

Parameter error

Internal parameter error

Insufficient work memory

Operation error caused by abnormalities that are normally
undetectable.

Turn the main power OFF/ON.

Reinstall the software of the controller board and BiCU.
6-90 SM