CD390 (bizhub 650i/550i/450i)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
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.) Touch the “Recover Data” button and follow the instructions that appear on the control panel to restore (backup) data.