Ricoh LI-MF1 M126, Field Service Manual

Page: 227 / 324

Error Description Action
950.xx
Mismatch between EEPROM and mirror
memory
• A new controller board or operator
panel has been installed, and has
not been properly prepared for this
use. Install a new note. Do not install
both the controller board and the
operator panel at the same time
without a POR in between.
Install a new controller bored or operator
panel. See “Engine Board Service Check”
or “Operator Panel Service Check” in
“Troubleshooting”.
951.xx
Error with secure NVRAM on the
controller board Replace the controller board. See “Engine
Board Service Check” in “Troubleshooting”.
952.xx
A recoverable NVRAM Cyclic
Redundancy Check error occurred.
Performing POR will clear this error.
953.xx NVRAM chip failure with mirror
Replace the engine board. See “Engine
Board Service Check” in “Troubleshooting”.
954.xx NVRAM chip failure with system part.
Replace the controller board. See
“Controller Board Service Check” in
“Troubleshooting”.
955.xx
The code ROM or NAND flash failed the
Cyclic Redundancy Check or the NAND
experienced an uncorrectible multi-bit
failure.
956.00 RIP card failure: processor failure
956.01 Processor overheated
957.xx RIP card failure: ASIC failure
958.xx
The machine has performed more than
100 “shift and reflash” operations as a
result of ECC bit corrections
Firmware or controller board errors
959.01
Controller verification failure of pensive
boot code
Call the next level of support to update the
firmware, or replace the controller board.
See “Controller Board Service Check” in
“Troubleshooting”.
959.02
Failure to authenticate Signature
Verification Code
Messages and Error Codes
225
6