C3B07 (bizhub C754e/C654e)
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# A2X0H00S06) | – | – |
| 6 | Replace NF1 (Part# A2XKM40J00) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.76. C3B07, C3B08)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.8.13 (Link to the Field Service Manual)