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C6903 (bizhub C754e/C654e)
Contents
| Trouble type | DSC Bus check NG1-1, DSC Bus check NG1-2 |
| Trouble code | C6903 |
| Rank | C |
| Detection timing | When DSC bus check (front side) detects an error. |
| Trouble isolation | – |
| Relevant electrical parts | • DSC board/1 (DSCB/1; SC-508) • MFP board (MFPB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Correct the harness connection of DSCB/1 if faulty. | – | – |
| 2 | Replace the DSCB/1 (SC-508 Not Sold in the U.S.) | – | – |
| 3 | Replace MFPB (Part# A2X0H02015) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.99. C6901 – C6903, CA051 – CA053, CC151, CC152, CC170 – CC174, CC180 – CC186, CC191, CC211 – CC214, CC216, CD211, CD212, CD241, CD242, CD252, CD261, CD271, CD401 – CD413, CE001, CE003 – CEEE1)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.11.11 (Link to the Field Service Manual)