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C4501 (bizhub 4700i)
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Contents
Trouble type | C4501: Laser malfunction |
Rank | B |
Trouble detection condition | – SOS signal is not detected even after the lapse of a given period of time after starting the laser output. – SOS signal is not detected for a given period of time during printing or IDC sensor adjustment. |
Trouble isolation | – |
Relevant electrical parts | -PH unit -CPU board (CPUB) -Base board (BASEB) |
Procedure
- Check the connector between the PH unit-BASEB CN13 for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace the PH unit. (Part# ACT9R70900)
- Replace CPUB. (Part# ACTAH01003)
- Replace BASEB. (Part# ACTAH02014)