Ricoh M281 Series Service Manual page 527

SC No. Type
SC995-03 D
SC No. Type
SC995-04 D
SM
Error Name/Error Condition/Major Cause/Solution
CPM setting error 3
Comparison of machine serial number (11 digits) and machine
identification code.
Details:
Unable to recognize machine identification code because the
controller was replaced incorrectly or is malfunctioning.
Machine serial number (11 digits) or machine identification code
does not match.
Replace it with a specified controller.
Error Name/Error Condition/Major Cause/Solution
CPM setting error 4
Comparison of machine serial number (11 digits) and machine
identification code.
Machine serial number (11 digits) or machine identification code
does not match.
Return the parts to the original configuration, and then replace
them according to the manual.
6-89
Service Call 900-998
D255/D256/M281/M282