C7328 (bizhub 950i/850i)

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Trouble typeC7328: Suction fan failure
RankC
Trouble detection conditionAfter starting the fan, an error is detected for the malfunction detection signal.
Trouble isolation–
Relevant electrical parts– Suction fan (FM1)
– Paper feed/transport drive board (PFTDB)

Procedure

  1. Check the connector between FM1-relay CN278-relay CN271B-PFTDB CN8 for proper connection and correct as necessary.
  2. Check the connector of FM1 for proper drive coupling and correct as necessary.
  3. FM1 conduction check.
    • Control signal: PFTDB CN8-3 (REM), PFTDB CN8-5 (LOCK)
    • Location of electrical component: 8-P
  4. Replace FM1.
  5. Replace PFTDB.

(Link to the Field Service Manual)