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C6104 (bizhub C754e/C654e)
Contents
| Trouble type | Back side cleaning home sensor abnormality (initial) |
| Trouble code | C6104 |
| Rank | B |
| Detection timing | • The back side cleaning home sensor (PS9) does not change from H to L even after the lapse of a given period of time after the home position detecting operation is started at the initial operation. • The back side cleaning home sensor (PS9) does not change from L to H even after the lapse of a given period of time after the home position detecting operation is started at the initial operation. |
| Trouble isolation | Scanner |
| Relevant electrical parts | • Back side cleaning home sensor (PS9) • Back side cleaning motor (M7) • DF control board (DFCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M7-relay CN119-DFCB CN6 for proper connection, and correct as necessary. | – | – |
| 2 | Check the connector of M7 for proper drive coupling, and correct as necessary. | – | – |
| 3 | PS9 I/O check, sensor check | DFCB CN3-11 (ON) | DF-702 6-C |
| 4 | M7 operation check | DFCB CN6-5 to 8 | DF-702 7-C |
| 5 | Replace M7 (Part# A0HUM10000) | – | – |
| 6 | DFCB ICP4 conduction check | – | – |
| 7 | Replace DFCB (Part# A3CKH00102) | – | – |
- Link to the wiring diagram (N.1. bizhub C754e/C654e)
- Link to the layout drawings for related parts by each trouble code (S.93. C6104, C6105)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.11.4 (Link to the Field Service Manual)