Konica-Minolta bizhub 350

Error Code:

Code: C4001
Description: Main body Communication Failure
Communications with the Mechanical Control Board and the MFBS Board/MFBS2 Board fail.
Remedy: 1 Check the MFBS/MFBS2 connector for proper connection, and correct as necessary. 2 Check the PWB-A connector for proper connection, and correct as necessary. 3 Check the flat cable between MFBS/MFBS2 and PWB-A for proper connection, and correct as necessary. 4 Turn OFF the Main Power Switch, wait for 10 sec. or more, and turn ON the Main Power Switch. 5 Change MFBS/MFBS2. 6 Change PWB-A.

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