C6104 (bizhub C759/C659)
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Contents
| Trouble type | C6104: Back side cleaning home sensor abnormality (initial) |
| Rank | B |
| Trouble detection condition | -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 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. |
| Trouble isolation | Scanner |
| Relevant electrical parts | -Back side cleaning home sensor (PS9) -Back side cleaning motor (M7) -DF control board (DFCB) |
Procedure
- Check the connector between M7-DFCB CN14 for proper connection and correct as necessary.
- Check the connector of M7 for proper drive coupling and correct as necessary.
- Check the connector between PS9-relay CN121-DFCB CN18 for proper connection and correct as necessary.
- PS9 I/O check, sensor check
- Control signal: DFCB CN18-6 (ON)
- Location of electrical component: DF 3 to 4-C
- M7 operation check
- Control signal: DFCB CN14-6 to 9
- Location of electrical component: DF 6-C
- Replace M7. (Part# A2X0M10300)
- DFCB ICP4 or ICP8 conduction check.
- Replace DFCB. (Part# A782H0010A)
L.3.13.4 (Link to the Field Service Manual)