3NF-2
1-4-17
(6)
The message
requesting paper to
be loaded is shown
when paper is
present on the cas-
sette.
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.
PF paper feed sensor 1 and PF main PWB (YC5)
PF paper feed sensor 2 and PF main PWB (YC4)
2. Deformed actuator.
Check visually and replace if necessary.
3. Defective sensor.
Replace the PFpaper feed sensor 1 or 2.
4. Defective PWB.
Replace the PF main PWB and check for correct operation
(see page 1-5-10).
(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.
PF paper size length switch 1 and PF main PWB (YC3)
PF paper size width switch 1 and PF main PWB (YC3)
PF paper size length switch 2 and PF main PWB (YC6)
PF paper size width switch 2 and PF main PWB (YC6)
2. Defective switch.
Replace the PF paper size length switch 1, 2 or PF paper
width switch 1, 2.
3. Defective PWB.
Replace the PF main PWB and check for correct operation
(see page 1-5-10).
(8)
A paper jam in the
paper feed or
paper conveying is
indicated when the
main power switch
is turned on.
1. A piece of paper torn
from paper is caught
around PF feed sen-
sor 1, 2, PF paper
conveying sensor
1,2.
Check visually and remove it, if any.
2. Defective sensor.
Replace the PF feed sensor 1, 2, PF paper conveying sen-
sor 1,2.
(9)
A message indicat-
ing cover open is
displayed when the
PF 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.
PF paper conveying cover switch and PF main PWB (YC5)
2. Defective switch.
Replace the PF paper conveying cover switch.
Problem
Causes
Check procedures/corrective measures
Summary of Contents for PF 740
Page 1: ...Service Manual Paper Feeder 3 PF 740B Rev 2 0 Date 28 10 2013 3NFSM062 ...
Page 2: ...Service Manual Paper Feeder 3 PF 740B Rev 2 0 Date 28 05 2013 3NFSM062 ...
Page 5: ...This page is intentionally left blank ...
Page 11: ...This page is intentionally left blank ...
Page 16: ...3NF 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path ...
Page 17: ...3NF 1 1 4 This page is intentionally left blank ...
Page 57: ...3NF 1 3 30 This page is intentionally left blank ...
Page 99: ...3NF 2 2 4 This page is intentionally left blank ...
Page 105: ...3NF 2 3 6 This page is intentionally left blank ...
Page 109: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR LARGE CAPACITY FEEDER ...