3N0/3NK/3PD/3PG
1-4-31
8160
DF tray error 3
When the main tray has
descended, DF tray sensor 4
does not turn on within 20 s.
DF tray motor
1. Execute U240 Motor - Tray to check the
finisher operation (see page 1-3-7).
2. Manipulate the main tray up and down to
check it is smoothly operable.
3. Check that the drive from the motor
reaches the main tray.
4. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
DF tray motor and DF main PWB
(YC16)
5. If the wiring is disconnected, shorted or
grounded, replace the wiring.
6. Replace the DF tray motor.
DF tray sensor 4
1. Execute U241 Finisher - Tray Middle 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 tray sensor 4 and DF main PWB
(YC23)
4. Replace the DF tray sensor 4.
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 4: ...Revision history Revision Date Pages Revised contents ...
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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 ...