C2256 (bizhub C554/C454)
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Contents
| Trouble type | Developing motors turning at abnormal timing |
| Trouble code | C2256 |
| Rank | B |
| Detection timing | The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary. |
| Trouble isolation | – |
| Relevant electrical parts | -Developing motor (M21) -Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M21-PRCB CN32 for proper connection and correct as necessary. | – | – |
| 2 | Check the M21 connector for proper drive coupling and correct as necessary. | – | – |
| 3 | M21 operation check | PRCB CN32-2 (REM)PRCB CN32-5 (LOCK) | bizhub C554 19-Jbizhub C454 17-J |
| 4 | Replace M21 (Part# A161M10001) | – | – |
| 5 | Replace PRCB (C554 Part# A2XKH00104 / C454 A4FJH00104) | – | – |
- Link to the wiring diagram (N.1. bizhub C554/C454)
- Link to the layout drawings for related parts by each trouble code (S.58. C2255, C2256)
K3.7.3 (Link to the Field Service Manual)