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C6756 (bizhub 950i/850i)
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Contents
| Trouble type | C6756: CCD power-supply voltage malfunction |
| Rank | C |
| Trouble detection condition | Power is not supplied to CCD after the lapse of a given period of time after the main power switch or power key is turned ON or the machine recovers from the sleep mode. |
| Trouble isolation | – |
| Relevant electrical parts | – CCD unit – Scanner drive board (SCDB) – DC power supply unit/1 (DCPU/1) – CPU board (CPUB) – Base board (BASEB) |
Procedure
- Correct the harness connection between CCDB CN1-SCDB CN5 if faulty.
- Correct the harness connection between SCDB CN1-BASEB CN64E if faulty.
- Correct the harness connection between BASEB CN33E, CN66E-DCPU/1 CN5, CN6 if faulty.
- Check CPUB for proper installation and correct as necessary.
- Replace the CCD unit.
- SCDB ICP1 conduction check.
- Replace SCDB.
- Replace CPUB.
- Replace BASEB.
- Replace DCPU/1.