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C5304 (bizhub 658e/558e)

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Trouble typeC5304: Fusing power supply cooling fan failure to turn (bizhub 658e/558e)
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• Fusing power supply cooling fan (FM12)
• MFP board (MFPB)

 Procedure

  1. Check the connector between FM12-relay CN146-MFPB CN15E for proper connection and correct as necessary.
  2. Check the fan for possible overload and correct as necessary.
  3. FM12 load check
    • Check code: 42
    • Multi code: 6, 7
    • Control signal: MFPB CN15E<A>-16 (REM), MFPB CN15E<A>-18 (LOCK)
    • Location of electrical component: 16-C
  4. Replace FM12. (Part# 4139M10000)
  5. Replace MFPB. (658e/558e Part# AA6RH02103 / 458e Part# AA6UH02101)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

L.3.16.2 (Link to the Field Service Manual)

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