C4091 (bizhub C4050i/C3350i)

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Trouble typeC4091: Engine communication error
RankC
Trouble detection conditionCommunication with the CTL is interrupted for one min. or longer during a stabilization sequence.
Trouble isolation–
Relevant electrical parts• CPU board (CPUB)
• Base board (BASEB)

Procedure

  1. Reboot the machine.
  2. Replace CPUB. ( A93EH01004 )
  3. Replace BASEB. ( A93EH02007 )

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

(Link to the Field Service Manual) L.3.9.1.