C6104, C6105 (bizhub C750i)
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Contents
| Trouble type | C6104: Back side cleaning home sensor abnormality (initial) C6105: Back side cleaning home sensor abnormality (normal) | |
| Rank | B | |
| Trouble detection condition | C6104: -The CIS cleaning 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 CIS cleaning 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. | |
| C6105: At the time of operation other than the initial operation, the CIS cleaning sensor (PS9) error is detected. | ||
| Trouble isolation | Scanner | |
| Relevant electrical parts | -CIS cleaning sensor (PS9) -CIS cleaning motor (M7) -DF control board (DFCB) |
Procedure
- Check if the opening and closing guide is firmly closed.
- Check the connector between M7-relay CN61-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 4-C
- M7 load check
- Check code: 60
- Multi code: 65, 66, 67
- Control signal: DFCB CN14-6 to 9
- Location of electrical component: DF 7-C
- Replace M7. (Part# AAMPM10300)
- DFCB ICP4, ICP7, ICP15 conduction check
- Replace DFCB. (Part# AAMPH00105)