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C3204 (bizhub 950i/850i)

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Trouble typeC3304: Reverse paper cooling fan/2 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– Reverse paper cooling fan/2 (FM5)
– Paper feed/transport drive board (PFTDB)

Procedure

  1. Check the connector between FM5-relay CN700-relay CN280-relay CN271A-PFTDB CN27 for proper connection and correct as necessary.
  2. Check the fan for possible overload and correct as necessary.
  3. FM5 load check
    • Check code: 42
    • Multi code: 16, 17
    • Control signal: PFTDB CN27-7 (LOCK)
    • Location of electrical component: 7-P
  4. Replace FM5.
  5. PFTDB F41 conduction check.
  6. Replace PFTDB.

(Link to the Field Service Manual))

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