C4501 (bizhub C364/C284/C224)
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Contents
| Trouble type | Laser malfunction |
| Trouble code | C4501 |
| Rank | B |
| Detection timing | -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 -Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between PH unit-PRCB CN24 for proper connection and correct as necessary. | – | – |
| 2 | Replace the PH unit (C364 Part# A161R70944 / C284/C224 Part# A4FKR70022) | – | – |
| 3 | Replace PRCB (Part# A161H00108) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.66. C4501)
K3.9.2 (Link to the Field Service Manual)