Ricoh M281 Series Service Manual page 526

Service Call 900-998
6.10 SERVICE CALL 900-998
6.10.1 SC900 (ENGINE: OTHERS)
SC No. Type
SC995-01 D
SC No. Type
SC995-02 D
D255/D256/M281/M282
Error Name/Error Condition/Major Cause/Solution
CPM setting error 1
Comparison of machine serial number (11 digits) and machine
identification code.
Details:

Machine serial number cannot be identified because of
BiCU replacement or malfunctioning.

Machine serial number cannot be identified because of
NV-RAM replacement.
Machine serial number (11 digits) or machine identification code
does not match.
1. Enter the machine serial number using SP5-811
(MachineSerial), and then turn the main power ON/OFF.
2. Attach the NV-RAM that was installed previously.
Error Name/Error Condition/Major Cause/Solution
CPM setting error 2
Comparison of machine serial number (11 digits) and machine
identification code.
Details:
Machine serial number cannot be identified because of NV-RAM
replacement or malfunctioning.
Machine serial number (11 digits) or machine identification code
does not match.

Attach the NV-RAM that was installed previously.

Download data on the NV-RAM using SP5-825-001
(NV-RAM Data Download).
6-88 SM