C2254 (bizhub C4050i/C3350i)

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Trouble typeC2254: Color motor turning at abnormal timing
RankB
Trouble detection conditionC2254: The control circuit detects motor turning while the motor remains stationary.
Trouble isolation–
Relevant electrical parts• Color motor (M2) 
• CPU board (CPUB) 
• Base board (BASEB)

Procedure

  1. Check the connector between M2-BASEB CN17E for proper connection and correct as necessary.
  2. Check the connector of M2 for proper drive coupling and correct as necessary.
  3. Check CPUB for proper installation and correct as necessary.
  4. M2 load check
    • Check code: 41
    • Multi code: 1, 2
    • Control signal: BASEB CN17E-11 to 15
    • Location of electrical component: 1-C
  5. Replace M2. (Part# AA2JM11100)
  6. Replace CPUB. CPUB (Part# A93EH01004)
  7. BASEB F20E conduction check
  8. Replace BASEB. (Part# A93EH02007)

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

L.3.7.2 (Link to the Field Service Manual)