C3B02 (bizhub C554/C454)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| Trouble type | IH malfunction (CPU) | |
| Trouble code | C3B02 | |
| Rank | A | |
| Detection timing | <bizhub C554> A failure in communication with the fusing CPU continues for a predetermined period of time. | |
| Trouble isolation | – | |
| Relevant electrical parts | -Fusing unit -IH coil unit (IHC) -IH power supply (IHPU) -IH magnetic erasing board (IHMEB) -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, IHC, IHPU, IHMEB and PRCB for proper connection and correct or change as necessary. | – | – |
| 4 | Replace the fusing unit (Part# A4FJR70344) | – | – |
| 5 | Replace IHC (Part# A2XKM40C01) | – | – |
| 6 | Replace IHPU (Part# A61DM40A00) | – | – |
| 7 | Replace IHMEB (Part# A2XKH00A00) | – | – |
| 8 | Replace PRCB (Part# A2XKH00104) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.90. C3B02, C3B03)
K3.8.11 (Link to the Field Service Manual)