Utax AK 740, Service Manual

Page: 78 / 207

3N0/3NK/3PD/3PG
1-4-33
8180 DF side registration motor 1
error 2
JAM6810 ( jam in front of
width alignment) is detected
twice.
DF side registration
motor 1
1. Execute U240 Motor - Width Test to
check the finisher operation (see page
1-3-7).
2. Manipulate the front side registration
guide back and forth to check it is
smoothly operable.
3. Check that the drive from the motor
reaches the front side registration guide.
4. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF side registration motor 1 and DF
main PWB (YC15)
5. If the wiring is disconnected, shorted or
grounded, replace the wiring.
6. Replace the DF side registration motor
1.
DF side registration
sensor 1.
1. Execute U241 Finisher - Width Front to
check the finisher switch (see page 1-3-
9).
2. Check that the sensor and its mounting
bracket are correctly positioned.
3. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF side registration sensor 1. and DF
main PWB (YC22)
4. If the wiring is disconnected, shorted or
grounded, replace the wiring.
5. Replace the DF side registration sensor
1.
DF main PWB Replace the DF main PWB. (see page 1-5-2)
Code Contents Causes
Check procedures/
corrective measures