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C7302 (bizhub C650i/C550i/C450i)

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Trouble typeC7302: Transfer belt cleaner cooling fan failure
RankC
Trouble detection conditionAfter starting the fan, an error is detected for the malfunction detection signal.
Trouble isolation–
Relevant electrical parts-Transfer belt cleaner cooling fan (FM2)
-Expansion control board (EXCB)

Procedure

  1. Check the connector between FM2-relay CN115-EXCB CN10EX for proper connection and correct as necessary.
  2. Check the connector of FM2 for proper drive coupling and correct as necessary.
  3. FM2 conduction check.
    • Control signal: EXCB CN10EX-9 (REM), EXCB CN10EX-11 (LOCK)
    • Location of electrical component: 22-P
  4. Replace FM2. (Part# A93EM10000)
  5. Replace EXCB. (Part# AA2JH00500)

L.3.14.27 (Link to the Field Service Manual)

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