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C7135 (bizhub C650i/C550i/C450i)

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Trouble typeC7135: Toner supply motor/Y failure
RankC
Trouble detection conditionAfter starting the motor, an error is detected for the malfunction detection signal.
Trouble isolation
Relevant electrical parts-Toner supply motor/Y (M9)
-Expansion control board (EXCB)

Procedure

  1. Check the connector between M9-EXCB CN11EX for proper connection and correct as necessary.
  2. Check the connector of M9 for proper drive coupling and correct as necessary.
  3. M9 conduction check.
    • Control signal: EXCB CN11EX-9 to 12
    • Location of electrical component: 16-P
  4. Replace M9. (Part# A7PUM10600)
  5. Replace EXCB. (Part# AA2JH00500)

L.3.14.9 (Link to the Field Service Manual)

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