C3732,C3736,C3737 (bizhub 950i/850i)
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Contents
| Trouble type | – C3732: Fusing abnormally high temperature detection hard protector (edge of the heating roller) – C3736: Fusing abnormally high temperature detection hard protector (middle of the heating roller) – C3737: Fusing abnormally high temperature detection hard protector (center of the heating roller) |
| Rank | A |
| Trouble detection condition | – C3732: An abnormally high temperature is detected on the hard protector circuit (edge of the heating roller). – C3736: An abnormally high temperature is detected on the hard protector circuit (middle of the heating roller). – C3737: An abnormally high temperature is detected on the hard protector circuit (center of the heating roller). |
| Trouble isolation | – |
| Relevant electrical parts | – Fusing unit – C3732: Heating roller thermistor/Edg (TH1) – C3736: Heating roller thermistor/Ctr (TH2) – C3737: Heating roller thermostat/Ctr (TS1) – 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.