3NY
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
(2) Self diagnostic codes
Code Contents Causes
Check procedures/
corrective measures
1020 PF lift motor 1 error
(paper feeder 1)
After cassette 2 is inserted, PF lift
sensor 1 does not turn on within 10
s. This error is detected four times
successively.
Defective bot-
tom plate eleva-
tion mechanism
in the cassette.
Check to see if the bottom plate can
move smoothly and repair it if any prob-
lem is found.
Defective con-
nector cable or
poor contact in
the connector.
Reinsert the connector. Also check for
continuity within the connector cable. If
none, replace the cable.
PF lift motor 1 and PF main PWB (YC7)
Defective drive
transmission sys-
tem of the PF lift
motor.
Check if the gears rotate smoothly. If
not, grease the bushes and gears.
Check for broken gears and replace if
any.
Defective PF lift
motor.
Replace the PF lift motor 1.
Defective PF
main PWB.
Replace the PF main PWB.
(See page 1-4-4)
Total print
Errer code
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