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C3822,C3825,C3826 (bizhub 950i/850i)
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Contents
| Trouble type | – C3822: Fusing abnormally low temperature detection (edge of the heating roller) – C3825: Fusing abnormally low temperature detection (main of the heating roller) – C3826: Fusing abnormally low temperature detection (middle of the heating roller) |
| Rank | A |
| Trouble detection condition | – C3822: Detected temperature of the heating roller thermistor/Edg (TH1) goes under a given temperature for a given period of time consecutively. – C3822: Detected temperature of the heating roller temperature sensor/2 (RD2) goes under a given temperature for a given period of time consecutively.C3825: Detected temperature of the heating roller temperature sensor/1 (RD1) goes under a given temperature for a given period of time consecutively. – C3826: Detected temperature of the heating roller thermistor/Ctr (TH2) goes under a given temperature for a given period of time consecutively. |
| Trouble isolation | – |
| Relevant electrical parts | – Fusing unit – C3822: Heating roller thermistor/Edg (TH1) – C3822: Heating roller temperature sensor/2 (RD2) – C3825: Heating roller temperature sensor/1 (RD1) – C3826: Heating roller thermistor/Ctr (TH2) – CPU board (CPUB) – Base board (BASEB) |
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 CN807-BASEB CN30E for proper connection and correct as necessary.
- Check CPUB for proper installation and correct as necessary.
- Replace the fusing unit.
- Replace CPUB.
- Replace BASEB.