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C5358 (bizhub C658/C558/C458)

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Trouble typeC5358: Fusing power supply cooling fan failure to turn (bizhub C458)
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 operation check
    • Control signal: MFPB CN15E<A>-16 (REM), MFPB CN15E<A>-18 (LOCK)
    • Location of electrical component: C658/C558 16-C, C458 20-C
  4. Replace FM12. (Part# 4139M10000)
  5. Replace MFPB. (C458 Part# A79MH02102 / C558 or C658 Part # A79JH02102)

NOTICE

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

K.3.17.6
• (Link to the Field Service Manual)

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