C-4091

[frikkie]

Has anyone an idea what the fault code C-4091 is on a C364e? Cannot find any reference in the service manual. Machine has a finisher, DF and AU installed.

[Synthohol]

Trouble type I/F communication error
Trouble code C4091
Rank C
Detection timing The communication between the MFPB and PRCB can not be completed even when elapsed a given period of
time.
Trouble isolation -
Relevant electrical parts • MFP board (MFPB)
• Printer control board (PRCB)

(2) Procedure
Step Action Control signal Location of electrical components
1 Reboot the machine. - -
2 Check the flat cable between MFPB PJ03-PRCB
CN41 for proper connection and correct as necessary. - -
3
Check the connected portion of the flat cable for any
curled pattern or any scratches, and replace it if
necessary.
- -
4 Replace MFPB - -
5 Replace PRCB -