Ricoh MD-P2 Field Service Manual page 204

6. Troubleshooting
ID2 for the device did not match the ID2 stored in NVRAM. This error can occur if the
controller has been replaced with the Cumin ID2 set for another machine, or if the NVRAM
has been replaced with the NVRAM from another machine.
653
@Remote Service ID2 Mismatch Error 2
D
One of the following problems exist with the ID2 stored in NVRAM:
6
SC666
RTB 11
670
Engine startup error
D
The EGB fails to respond within the prescribed time when the machine is turned on.
671
Engine board mismatch error
D
Engine board and controller mismatch detected.
202
• If this error occurs when Cumin is set up, check the Cumin documentation and make
sure that the NVRAM is compatible, set the common authentication, then try again.
• If this error occurs after Cumin has been set, clear the Cumin setting, check the Cumin
documentation and make sure that the NVRAM is compatible, set the common
authentication, then try again.
• ID2 has less than 17 digits
• A non-printable character exists in ID2
• ID2 is all spaces
• ID2 is NULL
1. Replace NVRAM.
2. Clear the Cumin setting, set the common authentication, then try again.
• Connections between EGB and controller board are loose, disconnected, or damaged
• EGB defective
• Controller board defective