C2350 (C4751i)

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Contents

Trouble typeC2350: Toner 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 partsToner suction fan (FM2)CPU board (CPUB)Base board (BASEB)

Procedure

  1. Check the connector between FM2-relay CN10-BASEB CN24E for proper connection and correct as necessary.
  2. Check the fan for possible overload and correct as necessary.
  3. Check CPUB for proper installation and correct as necessary.
  4. FM2 load check
    • Check code: 42
    • Multi code: 3
    • Control signal: BASEB CN24E-11 (REM), BASEB CN24E-13 (LOCK)
    • Location of electrical component: 2-K
  5. Replace FM2.
  6. Replace CPUB.
  7. Replace BASEB.

(Link to the Field Service Manual)