C4501 (bizhub C360i/C300i/C250i)
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-relay CN307-BASEB CN17E for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace the PH unit. (Part# AA2JR71500)
- Replace CPUB. (Part# AA2JH02N06)
- Replace BASEB. (Part# AA2JH02005)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
L.3.10.3 (Link to the Field Service Manual)