C4801 (bizhub C754/C654)

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Contents

Trouble type	Main unit board failure
Trouble code	C4801
Rank	C
Detection timing	MFP detects simultaneous replacement of multiple boards.
Trouble isolation	–
Relevant electrical parts	-SSD board (SSDB) -Printer control board (PRCB)

(2)Procedure

Step	Action	Control signal	Location of electrical components
1	Reinstall the old PRCB.	–	–
2	If the above actions do not solve the problem, contact Konica Minolta Technical Support.	–	–

NOTE

• Do not replace the printer control board and the SSD board at the same time. The backup data is lost and image failure may be caused.

• Link to the layout drawings for related parts by each trouble code (S.81. C4801, CC163)

K.3.9.5 (Link to the Field Service Manual)