FS-4000DN Call Service 6400:0000000

[Guest]

I Have this Message on my printer Kyocera FS-4000DN Printer , Could someone please help me find what this message does

Thank You

[Jules Winfield]

Try resetting the engine board by sending the following Prescribe commands:
!R! EGRE; EXIT;

You might also want to try reflashing the firmware.

6400 Zero cross signal error
The ZCROSS signal does not reach the
engine PWB for more than 2 s.
Defective harness
between connect-L
PWB (YC8) and
engine PWB (YC3),
or improper connector
insertion.
Reinsert the connector. Also check for continuity
within the connector harness. If none,
remedy or replace the harness.
Defective connection
between
power source unit
(YC103) and connect-
L PWB (YC1).
Reinsert the connector.
Defective power
source unit.
Replace the power source unit (See page
P.1-5-28).
Defective engine
PWB.
Replace the engine PWB (See page P.1-5-
22).