Kyocera FS-6950DN Service Manual page 53

Code
F040 Main PWB - engine PWB communica-
tion error
Communication between main PWB and
engine PWB is failed.
F050 Engine PWB ROM checksum error
A checksum error occurred with ROM on
the engine PWB.
F226 Main PWB video data control error
Contents
Causes Check procedures/corrective measures
Defective harness Reinsert the connector. Also check for conti-
between engine nuity within the connector harness. If none,
PWB (YC12) and remedy or replace the harness.
main PWB (YC11),
or improper con-
nector insertion.
Defective main Turn the power switch off/on to restart the
PWB. printer. If the error is not resolved, replace
main PWB (See page P.1-5-26).
Defective engine Replace the engine PWB (See page P.1-5-
PWB. 22).
Some error may Download the firmware of the engine PWB
have occurred again using the memory card (See page P.1-
when downloading 6-3).
the firmware of the
engine PWB.
Defective ROM on Turn the power switch off/on to restart the
the engine PWB. printer. If the error is not resolved, replace
the EEPROM on the engine PWB or engine
PWB (See page P.1-5-22).
Defective main- Turn the power switch off/on to restart the
PWB. printer. If the error is not resolved, replace
main PWB (See page P.1-5-26).
Remarks
2F7-5
1-4-7