C5355 (bizhub C754e/C654e)

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)Contents

Trouble typeToner bottle cooling fan’s failure to turn
Trouble codeC5355
RankB
Detection timingThe fan lock signal remains HIGH for a predetermined continuous period of time while the fan is turning.
Trouble isolation
Relevant electrical parts• Toner bottle cooling fan (FM16)
• Printer control board (PRCB)

 (2)Procedure

StepActionControl signalLocation of electrical components
1Check the connector between FM16-relay CN328-PRCB CN2 for proper connection and correct as necessary.
2Check the fan for possible overload and correct as necessary.
3FM16 operation checkPRCB CN2-1 (DRIVE)PRCB CN2-3 (LOCK)2-K
4Replace FM16 (Part# 4556M10000)
5Replace PRCB (Part# A2X0H00S06)

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

K.3.10.6 (Link to the Field Service Manual)