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C3B07 (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 input power error |
| Trouble code | C3B07 |
| Rank | A |
| Detection timing | -While the IH heater was ON, input power stayed at the high voltage power detection value or over for more than the predetermined period of time. -While the IH heater was ON, input power was at the low power detection value or under for more than the predetermined period of time. -While the IH heater was ON, input power was at the high voltage detection value or over for more than the predetermined period of time. -While the IH heater was ON, input power was below the low voltage detection value or under for more than the predetermined period of time. -While the IH heater was ON, inverter power stayed at the upper limit value or over for more than the predetermined period of time. -While the IH heater was ON, output voltage halt was detected. |
| Trouble isolation | – |
| Relevant electrical parts | -IH coil unit (FH1) -IH power supply (IHPU) -Noise filter (NF1) -Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connection of the fusing unit. | – | – |
| 2 | Check the fusing unit, IH coil unit, IHPU, NF1 and PRCB for proper connection and correct or change as necessary. | – | – |
| 3 | Replace the IH coil unit (Part# A2X0M40200) | – | – |
| 4 | Replace IHPU (Part# A61DM40A00) | – | – |
| 5 | Replace PRCB (Part# A2X0H00102) | – | – |
| 6 | Replace NF1 (Part# A2XKM40J00) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.76. C3B07, C3B08)
K.3.8.13 (Link to the Field Service Manual)