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C7314 (bizhub 750i)

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Trouble typeC7314: UFP scavenging fan/Rr failure
RankB
Trouble detection conditionAfter starting the fan, an error is detected for the malfunction detection signal.
Trouble isolation–
Relevant electrical parts-UFP scavenging fan/Rr (FM18)
-Base board (BASEB)

Procedure

  1. Check the connector between FM18-relay CN802-relay CN5-BASEB CN22E for proper connection and correct as necessary.
  2. Check the connector of FM18 for proper drive coupling and correct as necessary.
  3. FM18 conduction check.
    • Control signal: BASEB CN22E-10 (REM), BASEB CN22E-12 (LOCK)
    • Location of electrical component: 12-C
  4. Replace FM18. (Part# A93EM10600)
  5. Replace BASEB. (Part# ACV7H02101)

(Link to the Field Service Manual)

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