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C4101 (bizhub C658/C558/C458/C368/C308/C258)

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Trouble typeC4101: Polygon motor’s 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
• Front side board (FRB)
• MFP board (MFPB)

 Procedure

  1. Check the connector between the PH unit-FRB CN17 for proper connection and correct as necessary. (bizhub C368/C308/C258)
  2. Check the connector between the PH unit-FRB CN5 for proper connection and correct as necessary. (bizhub C658/C558/C458)
  3. Replace the PH unit. (bizhub C368/C308/C258 (Part# A7PUR71200) / bizhub C658/C558/C458) (C658/C558 Part# A79JR70400 / C458 Part# A79MR70000)
  4. FRB fuse conduction check
  5. Replace FRB. (bizhub C368/C308/C258 (Part# A7PUH00500) / bizhub C658/C558/C458) (Part# A7PUH00500)
  6. Replace MFPB. (bizhub C368/C308/C258 (Part# A7PUH02123) / bizhub C658/C558/C458) (C458 Part# A79MH02102 / C558 or C658 Part # A79JH02102)

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

K.3.15.3 (Link to the Field Service Manual)

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