3NL-2
1-4-16
1450
SM multi feed sensor
backup error
(side multi tray)
[45 ppm/55 ppm model]
When writing the data, read
and write data does not match
3 times in succession.
Deleting a block has failed
three times in a row.
Writing won’t complete in 200
ms after writing has com-
menced.
SM multi feed
sensor
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
SM multi feed sensor and SM main
PWB (YC11)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the SM multi feed sensor.
SM main PWB
Replace the PF main PWB (Refer to the
service manual for the paper feeder).
1710
Side multi tray incompatible
detection error
[30 ppm/35 ppm model]
The side multi tray has been
installed with a device to
which it is incompatible.
The side multi tray
is installed with a
device to which it is
incompatible.
Install the side multi-tray with the target
model.
1810
Side multi tray communica-
tion error
[45 ppm/55 ppm model]
A communication error from
side multi tray is detected 10
times in succession.
Side multi tray
Check the wiring connection status with the
main unit and, if necessary, try connecting it
again.
SM main PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
SM main PWB (YC1) and Engine PWB
(YC19)
2. If the wiring is disconnected, shorted or
grounded, replace the wiring.
3. Replace the SM main PWB (Refer to the
service manual for the paper feeder).
Engine PWB
Check the engine software and upgrade to
the latest, if necessary. Replace the engine
PWB (see page 1-5-80).
SM main PWB
Replace the SM main PWB (Refer to the
service manual for the paper feeder).
1910
Side multi tray EEPROM
error
[45 ppm/55 ppm model]
When writing the data, read
and write data does not match
3 times in succession.
SM 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 SM main PWB (Refer to the
service manual for the paper feeder).
Code
Contents
Related parts
Check procedures/
corrective measures
Summary of Contents for UTAX PF 780
Page 1: ...Service Manual 3DSHU HHGHU 3 3 5HY Date 21 201 1 SM06 ...
Page 2: ...Service Manual 3DSHU HHGHU 3 3 5HY Date 21 201 1 SM06 ...
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Page 11: ...This page is intentionally left blank ...
Page 16: ...3NL 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Paper path ...
Page 17: ...3NL 1 1 4 This page is intentionally left blank ...
Page 59: ...3NL 1 3 30 This page is intentionally left blank ...
Page 104: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE MULTI TRAY ...