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C3826 (bizhub C658/C558/C458)
Contents
| Trouble type | C3826: Fusing abnormally low temperature detection (Center of the heating roller) (bizhub C458) |
| Rank | A |
| Trouble detection condition | The heating roller thermistor/2 (TH2) continues to detect a temperature lower than a predetermined one for a predetermined period of time. |
| Trouble isolation | – |
| Relevant electrical parts | • Fusing unit • C3826: Heating roller thermistor/2 (TH2) • IH power supply (IHPU) (bizhub C658/C558 only) • 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 fusing unit-MFPB CN22E for proper connection and correct or change as necessary. (bizhub C658/C558)
- Check the fusing unit-MFPB CN12E for proper connection and correct or change as necessary. (bizhub C458)
- Check the connector between TEMS/1-relay CN109-MFPB CN15E for proper connection and correct as necessary. (bizhub C658/C558)
- Check the connector between TEMS/2-relay CN138-MFPB CN15E for proper connection and correct as necessary. (bizhub C658/C558)
- Replace the fusing unit. (bizhub C658/C558 Part# A79JR71066 / bizhub C458 Part# A79MR70222)
- Replace IHPU. (bizhub C658/C558 only) (Part# A8KNM40A02)
- MFPB F12E conduction check
- Replace MFPB. (C458 Part# A79MH02102 / C558 or C658 Part # A79JH02102)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.14.8 (Link to the Field Service Manual)