C3B02 (bizhub C754e/C654e)
Contents
| Trouble type | IH malfunction (CPU) |
| Trouble code | C3B02 |
| Rank | A |
| Detection timing | A failure in communication with the fusing CPU continues for a predetermined period of time. |
| Trouble isolation | – |
| Relevant electrical parts | • Fusing unitIH coil unit (FH1) • IH power supply (IHPU) • IH magnetic erasing board (IHMEB) • Noise filter (NF1) • Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the fusing unit for correct installation (whether it is secured in position). | – | – |
| 2 | Check the open/close operation of the upper right door. | – | – |
| 3 | Check the fusing unit, IH coil unit, IHPU, IHMEB, NF1 and PRCB for proper connection and correct or change as necessary. | – | – |
| 4 | Replace the fusing unit (Part# A2X0R71055) | – | – |
| 5 | Replace the IH coil unit (Part# A2X0M40200) | – | – |
| 6 | Replace IHPU (Part# A61DM40A00) | – | – |
| 7 | Replace IHMEB (Part# A2X0H00W02) | – | – |
| 8 | PRCB ICP5 conduction check | – | – |
| 9 | Replace PRCB (Part# A2X0H00S06) | – | – |
| 10 | Replace NF1 (Part# A2XKM40J00) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.75. C3B02, C3B03)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.8.12 (Link to the Field Service Manual)