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C0301 (bizhub 950i/850i)

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Trouble typeC0301: Suction fan failure to turn
RankB
Trouble detection conditionThe fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
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 fan for possible overload and correct as necessary.
  3. FM1 load check
    • Check code: 42
    • Multi code: 2
    • Control signal: PFTDB CN8-3 (REM), PFTDB CN8-5 (LOCK)
    • Location of electrical component: 8-P
  4. Replace FM1.
  5. PFTDB F31 conduction check.
  6. Replace PFTDB.

(Link to the Field Service Manual)

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