C5105 (bizhub C759/C659)

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Trouble typeC5105: Transfer belt motor turning at abnormal timing
RankB
Trouble detection conditionThe motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
Trouble isolation–
Relevant electrical parts-Transfer belt unit
-Transfer belt motor (M1)
-MFP board (MFPB)

 Procedure

  1. Check the connector between M1-MFPB CN10E, CN16E for proper connection and correct as necessary.
  2. Check the loading status of the transfer belt drive, and correct the error as necessary.
  3. Check the drive gear of the transfer belt unit for rotation and correct any faulty rotation.
  4. M1 load check
    • Check code: 46
    • Multi code: 1, 2, 3, 4
    • Control signal: MFPB CN10E<A>-3 (REM), MFPB CN10E<A>-6 (LOCK), MFPB CN16E-7 (DC24V), MFPB CN10E<A>-2 (DC3.3V)
    • Location of electrical component: 5-K
  5. Replace M1. (Part# A00JM11300)
  6. Replace the transfer belt unit. (Part# A8JER70111)
  7. MFPB F2E or F11E conduction check
  8. Replace MFPB. (Part# A8JEH02002)

L.3.12.1 (Link to the Field Service Manual)