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C3B03 (bizhub C754/C654)
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 (monitor) |
| Trouble code | C3B03 |
| Rank | A |
| Detection timing | -Though the IH heater is ON, this status cannot be detected mechanically. (IH heater operation failure) -Though the IH heater is OFF, mechanically, the ON status is detected. (Malfunction of IH heater operation) |
| Trouble isolation | – |
| Relevant electrical parts | -Fusing unit -IH coil unit (FH1) -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# A2X0R71011) | – | – |
| 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# A2X0H00102) | – | – |
| 10 | Replace NF1 (Part# A2XKM40J00) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.75. C3B02, C3B03)
K.3.8.12 (Link to the Field Service Manual)