C7311 (bizhub 950i/850i)

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Contents

Trouble typeC7311: Fusing power supply cooling fan failure
RankC
Trouble detection conditionAfter starting the fan, an error is detected for the malfunction detection signal.
Trouble isolation
Relevant electrical parts– Fusing power supply cooling fan (FM10)
– Base board (BASEB)

Procedure

  1. Check the connector between FM10-relay CN803-BASEB CN23E for proper connection and correct as necessary.
  2. Check the connector of FM10 for proper drive coupling and correct as necessary.
  3. FM10 conduction check.
    • Control signal: BASEB CN23E-10 (REM), BASEB CN23E-12 (LOCK)
    • Location of electrical component: 10-K
  4. Replace FM10.
  5. Replace BASEB.

(Link to the Field Service Manual)