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CD390 (bizhub 4750i/4050i)
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Contents
| Trouble type | CD390: Nonvolatile data checksum error |
| Rank | C |
| Trouble detection condition | C-D390 code is normally shown when the CPU board (CPUB) is replaced with a new one. |
| Trouble isolation | – |
| Relevant electrical parts | – |
Procedure
- Wait until “Recover Data” appears. (MFP will reboot maximum 2 times by itself, it may take 5 minutes.) Touch the “Recover Data” button and follow the instructions that appear on the control panel to restore (backup) data.