3NF-2
1-4-15
1800
Paper feeder communica-
tion error
A communication error from
paper feeder is detected 10
times in succession.
Paper feeder
Check the wiring connection status with the
main unit and, if necessary, try connecting it
again.
PF main PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
PF main PWB (YC13) and Engine PWB
(YC19)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the PF main PWB (see page 1-
5-10).
Engine PWB
1. Check the engine software and upgrade
to the latest, if necessary.
2. Replace the engine PWB.
1900
Paper feeder EEPROM error
When writing the data, read
and write data does not match
3 times in succession.
PF main PWB
(EEPROM)
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
2. Replace the PF main PWB (Refer to the
service manual for the paper feeder).
2600
PF paper feed motor error
(large capacity feeder)
After PF paper feed motor is
driven, the ready signal does
not turn to L within 2 s.
PF paper feed
motor
1. To check the feed unit operation, exe-
cute U247 LCF- Motor ON (see page 1-
3-23).
2. Check the paper feed roller and drive
gear can rotate or they are not unusually
loaded and, if necessary, replace.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
PF paper feed motor and PF main PWB
(YC16)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the paper feed motor.
PF main PWB
Replace the PF main PWB (see page 1-5-
10).
Code
Contents
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 ...