C6104 (bizhub C754/C654)
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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 C754/C654)
- Link to the layout drawings for related parts by each trouble code (S.93. C6104, C6105)
K.3.11.4 Link to the Field Service Manual)