C4101 (bizhub C287/C227)

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Trouble typeC4101: Polygon motor rotation trouble
RankB
Trouble detection condition-The polygon motor fails to turn stably even after the lapse of a given period of time after activating and changing rotation speed the polygon motor.
-Motor lock signal detects HIGH for a given period time consecutively during the polygon motor is rotating.
Trouble isolation–
Relevant electrical parts-PH unit
-MFP board (MFPB)

 Procedure

  1. Check the connector between the PH unit-relay CN25-MFPB CN9E for proper connection and correct as necessary.
  2. Replace the PH unit. (Part# A8WVR70000)
  3. MFPB F12E conduction check
  4. Replace MFPB. (Part# A797H02118)

K.3.11.2 (Link to the Field Service Manual)