C720F (bizhub C3320i)

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Trouble typeC720F: ADU reverse 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 reverse rotation clutch (CL7)
-Base board (BASEB)

Procedure

  1. Check the connector between CL7-relay CN39-BASEB CN18E for proper connection and correct as necessary.
  2. Check the connector of CL7 for proper drive coupling and correct as necessary.
  3. CL7 conduction check
    • Control signal: BASEB CN18E-8 (ON)
    • Location of electrical component: 3-C
  4. Replace CL7. (Part# A7AHM20501)
  5. Replace BASEB. (Part# A93EH02007)

L.3.12.10 (Link to the Field Service Manual)