C255C (bizhub C754e/C654e)
Contents
| Trouble type | Black TCR sensor adjustment failure |
| Trouble code | C255C |
| Rank | B |
| Detection timing | TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value. |
| Trouble isolation | – |
| Relevant electrical parts | • Developing unit /K • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Reinstall the developing unit/K | – | – |
| 2 | Replace the developing unit /K (Part# A2X203D) | – | – |
| 3 | PRCB ICP23 or ICP24 conduction check | – | – |
| 4 | Replace PRCB (Part# A2X0H00S06) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.62. C2414, C2552, C2554, C2556, C2558, C2559, C255A, C255B, C255C, C2651, C2652, C2653, C2A14, C2A21, C2A22, C2A23, A2A24, C4802, C5601, CC153, CEEE3)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.7.19 (Link to the Field Service Manual)