3N0/3NK/3PD/3PG
1-4-28
8130
DF shift release motor error
When the DF shift release
motor is driven, DF shift
release sensor does not turn
on within 1 s.
DF shift release
motor
1. Check that cancelling the maintenance
mode after executing U240 Motor - Sort
for the finisher operation check lets the
rear and forth cursors returns to the
home position (see page 1-3-7).
2. Manipulate the front and rear shift guide
to check it is smoothly operable.
3. Check that the drive from the motor
reaches the shift guide front and rear.
4. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF shift release motor and DF main
PWB (YC14)
5. If the wiring is disconnected, shorted or
grounded, replace the wiring.
6. Replace the DF shift release motor.
DF shift release
sensor
1. Execute U241 Finisher - Shift Unlock HP
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 shift release sensor and DF main
PWB (YC23)
4. Replace the DF shift release sensor.
DF main PWB
Replace the DF main PWB. (see page 1-5-2)
Code
Contents
Causes
Check procedures/
corrective measures
Summary of Contents for AK 740
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Page 17: ...3N0 3NK 3PD 3PG 1 1 4 2 Mail box option Figure 1 1 2 1 2 1 Trays 1 7 2 Mailbox cover ...
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Page 155: ...1 1 INSTALLATION GUIDE DF 791 3000 sheet finisher Installation Guide ...
Page 170: ...AK 740 Bridge unit Installation Guide ...
Page 172: ...MT 730 B Mail box Installation Guide ...