CD392 (bizhub C750i)
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Contents
| Trouble type | CD392: Nonvolatile data save error (EEPROM) |
| Rank | C |
| Trouble detection condition | The backup board (ERB) is replaced with a new one. |
| Trouble isolation | – |
| Relevant electrical parts | Backup board (ERB) |
Procedure
- Replace the following components with new ones.
Configure [New Release] in Service Mode before replacing the image transfer belt unit and the fusing unit. When the transfer roller has been replaced with a new one, perform [Counter clear].- Developing unit/Y,M,C,K
(C Part# ACV80KD, M Part# ACV80ED, Y Part# ACV808D, K Part# ACV803D) - Drum unit/Y,M,C,K
(CMY ACV80TE / K Part# ACV80RE) - Toner cartridge/Y,M,C,K
(C Part# ACP8430,M Part# ACP8330, Y Part# ACP8230, K Part# ACP8130) - Transfer belt unit
(Part# AA2JR73100) - Fusing unit
(Part# AA7NR70200)
- Transfer roller
(Part# AA7NR70400) - Feed roller
Tray 1-3: (Part# A64J564101)
Manual bypass tray: (Part# A00F623201)
Dual Scan Document Feeder: (Part# A00J563600) - pick-up roller
Tray 1-3: (Part# A64J564201)
Manual bypass tray: (Part# A5C1562200)
Dual Scan Document Feeder: (Part# 9J07330102) - separation roller (including options)
Tray 1-3: (Part# AA2J560000)
Manual bypass tray: (Part# AA7N591100)
Dual Scan Document Feeder: (Part# 9J07340901)
- Developing unit/Y,M,C,K
- Turn OFF the main power switch and unplug the power cord. Connect the power cord after 15 sec. or more, and turn ON the main power switch.
- Set the various setting values in the service mode again.
- If the above actions do not solve the problem, contact KM.