C2650 (bizhub 750i)
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Contents
| Trouble type | C2650: Main backup media access error |
| Rank | C |
| Trouble detection condition | -The re-written data, which has been read out, checked and founded as error, is read out again and found as error. -The error was found when reading out the counter value. -The main body detects that the back up board is not mounted. |
| Trouble isolation | – |
| Relevant electrical parts | -Backup board (ERB) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between ERB CN1-BASEB CN27E for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace CPUB. (Part# ACV7H02P02)
- Replace BASEB. (Part# ACV7H02101)
- Replace ERB. (Part# AA2JH00C00)
1. Replace the current ERB with a new one.
2. Replace the following components with new ones.
When the transfer belt unit and the fusing unit have been replaced with new ones, perform [Service Mode] -> [Counter] -> [Life] -> [New Release]. When the transfer roller has been replaced with a new one, perform the counter reset in [Service Mode] -> [Counter] -> [Life].- Developing unit (Part# ACV803D)
- Drum unit (Part# ACV80RE)
- Toner cartridge (Part# ACYP030)
- Transfer belt unit (Part# AA2JR73100)
- Fusing unit (Part# AA7NR70200)
- Transfer roller (Part# AA7NR70400)
- Feed roller
Tray 1-4: (Part# A64J564101)
Manual bypass tray: (Part# A00F623201)
Dual Scan Document Feeder: (Part# A00J563600)
- pick-up roller
Tray 1-4: (Part# A64J564201)
Manual bypass tray: (Part# A5C1562200)
Dual Scan Document Feeder: (Part# 9J07330102) - separation roller (including options)
Tray 1-4: (Part# AA2J560000)
Manual bypass tray: (Part# AA7N591100)
Dual Scan Document Feeder: (Part# 9J07340901)
3. Turn ON the main power switch and check to see that warm-up is started.
Make sure that trouble codes other than C2650 or improper IU/TC placement is not detected.
4. Make the specified readjustments.
- If the above actions do not solve the problem, contact KM.