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C2257 (bizhub C754/C654)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| Trouble type | Cleaning brush motor’s failure to turn |
| Trouble code | C2257 |
| Rank | B |
| Detection timing | The motor lock signal remains HIGH for a predetermined continuous period of time while the motor is turning. |
| Trouble isolation | – |
| Relevant electrical parts | -Cleaning brush motor (M38) -Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M38-PRCB CN39 for proper connection and correct as necessary. | – | – |
| 2 | Check the M38 connector for proper drive coupling and correct as necessary. | – | – |
| 4 | M38 operation check | PRCB CN39-1 to 7 | 20-K |
| 5 | Replace M38 (Part# A161M10200) | – | – |
| 6 | PRCB ICP8 conduction check | – | – |
| 7 | Replace PRCB (Part# A2X0H00102) | – | – |
- Link to the wiring diagram (N.1. bizhub C754/C654)
- Link to the layout drawings for related parts by each trouble code (S.57. C2257, C2258)
K.3.7.8 (Link to the Field Service Manual)