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C720E (bizhub C4000i/C3300i)

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Trouble typeC720E: ADU forward rotation clutch failure
RankC
Trouble detection conditionAfter starting the clutch, an error is detected for the malfunction detection signal.
Trouble isolation–
Relevant electrical parts• ADU forward rotation clutch (CL6)
• Base board (BASEB)

Procedure

  1. Check the connector between CL6-relay CN11-BASEB CN18E for proper connection and correct as necessary.
  2. Check the connector of CL6 for proper drive coupling and correct as necessary.
  3. CL6 conduction check
    • Control signal: BASEB CN18E-6 (ON)
    • Location of electrical component: 2-C
  4. Replace CL6. (Part# A7AHM20501)
  5. Replace BASEB. (Part# AAJRH02005)

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

L.3.11.9 (Link to the Field Service Manual)

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