C3722 (bizhub C364e/C284e/C224e)

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Contents

Trouble typeFusing abnormally high temperature detection (Edge of the heating side)
Trouble codeC3722
RankA
Detection timingDetected temperature of the heating roller thermistor/1 (TH1) goes beyond a given temperature for a given period of time consecutively.
Trouble isolation
Relevant electrical parts• Fusing unit
• Heating roller thermistor/1 (TH1)
• Printer control board (PRCB)

 (2)Procedure

StepActionControl signalLocation of electrical components
1Check the fusing unit for correct installation (whether it is secured in position).
2Check the open/close operation of the right door.
3Check the fusing unit and PRCB for proper connection and correct or change as necessary.
4Replace the fusing unit (Part# A161R71866)
5Replace PRCB (Part# A5C1H00102)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

K.3.8.5 (Link to the Field Service Manual)