C3925 (bizhub C287/C227)
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Contents
Trouble type | C3925: Fusing sensor wire breaks detection (Main 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 temperature sensor (TEMS) voltage does not increase by predetermined steps (temperature rise) within a predetermined period of time. |
Trouble isolation | – |
Relevant electrical parts | -Fusing unit -Heating roller temperature sensor (TEMS) -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)