3NL
1-4-19
(7)
The size of paper
on the cassette is
not displayed cor-
rectly.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
SM paper size length switch and SM main PWB (YC15)
SM paper size width switch and SM main PWB (YC15)
2. Defective switch.
Replace the SM paper size length switch or SM paper size
width switch.
3. Defective PWB.
Replace the SM main PWB and check for correct operation
(see page 1-5-8).
(8)
A paper jam in the
paper feed, paper
conveying or eject
section is indi-
cated when the
main power switch
is turned on.
1. A piece of paper torn
from paper is caught
around SM feed sen-
sor, SM multi feed
sensor, SM paper
conveying sensor
1,2,3 or SM eject
sensor.
Check visually and remove it, if any.
2. Defective sensor.
Replace the SM feed sensor, SM multi feed sensor, SM
paper conveying sensor 1,2,3 or SM eject sensor.
(9)
A message indicat-
ing cover open is
displayed when the
SM paper convey-
ing cover is closed.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
SM paper conveying cover switch and SM main PWB
(YC7)
2. Defective switch.
Replace the SM paper conveying cover switch.
(10)
A message indicat-
ing cover open is
displayed when the
SM top cover is
closed.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
SM top cover switch and SM main PWB (YC14)
2. Defective switch.
Replace the SM top cover switch.
Problem
Causes
Check procedures/corrective measures
Содержание UTAX PF 780
Страница 1: ...Service Manual 3DSHU HHGHU 3 3 5HY Date 21 201 1 SM06 ...
Страница 2: ...Service Manual 3DSHU HHGHU 3 3 5HY Date 21 201 1 SM06 ...
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Страница 16: ...3NL 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path ...
Страница 17: ...3NL 1 1 4 This page is intentionally left blank ...
Страница 59: ...3NL 1 3 30 This page is intentionally left blank ...
Страница 104: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE MULTI TRAY ...