How Can We Help?
C3926 (bizhub C287/C227)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| Trouble type | C3926: Fusing sensor wire breaks detection (Center of the heating roller) |
| Rank | A |
| Trouble detection condition | After a predetermined period of time after the warm-up stage is started, the heating roller thermistor/2 (TH2) voltage does not decrease by predetermined steps (temperature rise) within a predetermined period of time. |
| Trouble isolation | – |
| Relevant electrical parts | -Fusing unit -Heating roller thermistor/2 (TH2) -DC power supply (DCPU) -MFP board (MFPB) |
Procedure
- Check the fusing unit for correct installation (whether it is secured in position).
- Check the open/close operation of the right door.
- Check the connector between the fusing unit-relay CN4-MFPB CN16E for proper connection and correct as necessary.
- Replace the fusing unit. (Part# A797R70211)
- Replace DCPU. (Part# A797R70800)
- Replace MFPB. (Part# A797H02118)
K.3.10.7 (Link to the Field Service Manual)