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C9401 (bizhub C650i/C550i/C450i)
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Contents
| Trouble type | C9401: Exposure LED lighting failure |
| Rank | B |
| Trouble detection condition | The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment. |
| Trouble isolation | Scanner |
| Relevant electrical parts | -LED exposure unit -Flat cable (LED exposure unit) -CCD unitScanner drive board (SCDB) -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Correct the harness connection between SCDB CN3-LU201 if faulty.
- Check the connector between SCDB CN2-BASEB CN6E for proper connection and correct as necessary.
- Check the connector between CCDB CN2-BASEB CN6 for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace the LED exposure unit. (Part# AA7NM31200)
- Replace the CCD unit. (Part# AA7NR72500)
- SCDB ICP2 conduction check
- Replace SCDB. (AA7NH01A00)
- Replace CPUB. (C650i Part# AA7NH02P03 / C550i Part# AA7PH02P01 / C450i Part# AA7RH02P02)
- Replace BASEB. (Part# AA7NH02102)
L.3.16.1 (Link to the Field Service Manual)