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C4101 (bizhub 754e/654e)
Contents
| Trouble type | Polygon motor rotation trouble |
| Trouble code | C4101 |
| Rank | B |
| Detection timing | • The polygon motor fails to turn stably even after the lapse of a given period of time after activating the polygon motor. • Motor lock signal detects HIGH for a given period time consecutively during the polygon motor is rotating. |
| Trouble isolation | – |
| Relevant electrical parts | • PH unit • PH relay board (PHRYB) • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between the PH unit-PHRYB CN14 for proper connection and correct as necessary. | – | – |
| 2 | Replace the PH unitPH Unit (Part# A55VR70122) | – | – |
| 3 | PHRYB ICP1 or ICP4 conduction check | – | – |
| 4 | Replace PHRYBPHRYB (Part# A55VH00300) | – | – |
| 5 | Replace PRCBPRCB (Part# A55VH00105) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.79. C4101)
Document Information ID D0001104789 Revise ID R000003
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.9.2 (Link to the Field Service Manual)