3NN/3NP
1-4-4
1-4-2 Self-diagnostic function
(1) Self-diagnostic function
This machine is equipped with self-diagnostic function. When a problem is detected, the machine stops print-
ing and display an error message on the operation panel. An error message consists of a message prompting
a contact to service personnel and a four-digit error code indicating the type of the error.
(2) Self diagnostic codes
If the part causing the problem was not supplied, use the unit including the part for replacement.
Code
Contents
Causes
Check procedures/
corrective measures
1020
PF lift motor error
(paper feeder)
After cassette 2 is inserted,
PF lift sensor 1 does not turn
on within 12 s. This error is
detected four times succes-
sively.
Defective bottom
plate elevation
mechanism in the
cassette.
Check to see if the bottom plate can move
smoothly and repair it if any problem is
found.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
PF lift motor 1 and PF main PWB (YC4)
Defective drive
transmission sys-
tem of the PF lift
motor 1.
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 1.
Replace the PF lift motor 1.
Defective PF main
PWB.
Replace the PF main PWB (see page 1-5-
4).
1030
PF lift motor error
(paper feeder)
After cassette 3 is inserted,
PF lift sensor 2 does not turn
on within 12 s. This error is
detected four times succes-
sively.
Defective bottom
plate elevation
mechanism in the
cassette.
Check to see if the bottom plate can move
smoothly and repair it if any problem is
found.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
replace the cable.
PF lift motor 2 and PF main PWB (YC7)
Defective drive
transmission sys-
tem of the PF lift
motor 2.
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 2.
Replace the PF lift motor 2.
Defective PF main
PWB.
Replace the PF main PWB (see page 1-5-
4).
Содержание PF 470
Страница 1: ...Service Manual Paper Feeder PF 470 PF 471 First Edition Date 22 11 2010 3NNSM060 ...
Страница 2: ...Service Manual Paper Feeder PF 470 PF 471 First Edition Date 22 11 2010 3NNSM060 ...
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Страница 21: ...3NN 3NP 1 2 4 3 Removing the tapes 1 Remove four tapes Figure 1 2 3 Tape Tape Tape Tape ...
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