Utax PF 730, Service Manual

Page: 72 / 118

3NJ-4
1-4-15
1070 PF lift motor 2 error
(side paper feeder)
[45 ppm/55 ppm model]
After cassette 7 is inserted,
PF lift sensor 2 does not turn
on within 12 s. This error is
detected 5 times successively.
(Time to detect is 2 seconds
at the second time and later.)
During driving the motor, the
lift overcurrent protective
monitor signal is detected for
1 s or more 5 times succes-
sively. However, the first 1 s
after motor is turned on is
excluded from detection.
*:The lift over-current protec-
tion monitor signal has been
detected for 200ms or longer
where LFC is installed.
Cassette lift base
elevating
mechanism
Check that the cassette base can be
manipulated smoothly, if not, repair or
replace.
PF Lift motor2 1. Check that the cassette base has been
ascended.
2. Check the 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 Lift motor 2 and PF main PWB (YC7)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the PF Lift motor2.
PF Lift sensor2 1. Check that the sensor is correctly
positioned.
2. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
PF Lift sensor 2 and PF main PWB
(YC4)
3. If the wiring is disconnected, shorted or
grounded, replace the wiring.
4. PFReplace the lift sensor2.
PF main PWB
Replace the PF main PWB (see page 1-5-9).
Code Contents Causes
Check procedures/
corrective measures