C4101 (C4751i)

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ByEric Ditges
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Trouble typeC4101: Polygon motor rotation trouble
RankB
Trouble detection conditionThe 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 partsPH unitCPU board (CPUB)Base board (BASEB)

Procedure

  1. Check the connector between the PH unit-BASEB CN5E for proper connection and correct as necessary.
  2. Check CPUB for proper installation and correct as necessary.
  3. Polygon motor load check
    • Check code: 32
    • Multi code: 1, 3
  4. Replace the PH unit.
  5. Replace CPUB.
  6. Replace BASEB.

(Link to the Field Service Manual)