C2350 (bizhub 558/458)

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Trouble typeC2350: Toner suction fan’s 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 partsToner suction fan (FM11)MFP board (MFPB)

 Procedure

  1. Check the connector between FM11-relay CN62-MFPB CN31E for proper connection and correct as necessary.
  2. Check the fan for possible overload and correct as necessary.
  3. FM11 operation check
    • Control signal: MFPB CN31E<A>-12 (REM), MFPB CN31E<A>-14 (LOCK)
    • Location of electrical component: 24-J
  4. Replace FM11. (Part# 9313100072)
  5. Replace MFPB. (558 Part# A9HGH02102 / 458 Part# A9HHH02102)

NOTICE

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

K.3.11.1 (Link to the Field Service Manual)