How Can We Help?
C6903 (bizhub C554/C454)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| Trouble type | DSC board bus check NG1-1, DSC board 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 DSCB/1 (SC-508 Not sold in the U.S.) | – | – |
| 3 | Replace MFPB (Part# A2XKH02004) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.103. C5372, C6901- C6903, CA051 – CA053, CC151, CC152, CC170 – CC186, CC191 – CC214, CC216, CD211, CD212, CD241, CD242, CD252 – CD271, CD401- CD412, CE001, CE003 – CE007, CE101, CE201, CE301 – CEEE1)
K3.11.11 (Link to the Field Service Manual)