Kyocera PF-430, Service Manual

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5H2
1-3-2
1-3-2 Self-diagnosis
(1) Self-diagnostic function
This printer is equipped with self-diagnostic function. When a problem is detected, the printer stops printing and display an
error message on the operation panel. An error message consists of a message prompting a contact to service personnel,
total print count, and a four-digit error code indicating the type of the error. (The display varies depending on the type of
the error.)
Figure 1-3-3
Code Contents
Remarks
Causes Check procedures/corrective measures
0420 Paper feeder communication error
Communication error between printer’s
engine PWB and paper feeder.
Improper installa-
tion paper feeder. Follow installation instruction carefully again.
Defective harness
between printer’s
connect-L PWB
(YC2) and paper
feeder interface
connector, or
improper connec-
tor insertion. Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
(Refer to printer’s service manual)
Defective harness
between printer’s
connect-L PWB
(YC6) and engine
PWB (YC4), or
improper connec-
tor insertion. Reinsert the connector. Also check for conti-
nuity within the connector harness. If none,
remedy or replace the harness.
(Refer to printer’s service manual)
Defective printer’s
engine PWB. Replace the printer’s engine PWB.
(Refer to printer’s service manual)
Defective paper
feeder. Replace the paper feeder.
Error code Total print
Call service
0420:012345