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C3822 (bizhub C759/C659)

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Trouble typeC3822: Fusing abnormally low temperature detection (Edge of the heating roller)
RankA
Trouble detection conditionDetected temperature of the heating roller temperature sensor/2 (TEMS2) goes below a given temperature for a given period of time consecutively.
Trouble isolation–
Relevant electrical parts-Fusing unit
-Heating roller temperature sensor/2 (TEMS2)
-MFP board (MFPB)

 Procedure

  1. Check the fusing unit for correct installation (whether it is secured in position).
  2. Check the open/close operation of the upper right door.
  3. Check the connector between TEMS1, TEMS2-relay CN512-MFPB CN31E for proper connection and correct as necessary.
  4. Replace the fusing unit. (Part# A8JER70222)
  5. MFPB F3E conduction check
  6. Replace MFPB. (Part# A8JEH02002)

L.3.10.11 (Link to the Field Service Manual)

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