3N0/3NK/3PD/3PG
1-4-42
8520
MB conveying motor error 2
When standby operation, MB
home position sensor does
not turn off within 1 s.
MB conveying
motor
1. Execute Mail Box - Conv of U240
finisher operation check (see page 1-3-
7).
2. Manipulate the conveying roller of the
mailbox to check it can smoothly rotate.
3. Check that the drive from the motor
reaches the conveying roller.
4. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
MB conveying motor and MB main
PWB (YC5)
5. If the wiring is disconnected, shorted or
grounded, replace the wiring.
6. Replace the MB conveying motor.
MB home position
sensor
1. Execute U241 Mail Box - Motor 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.
MB home position sensor and MB main
PWB (YC2)
4. Replace the MB home position sensor.
MB main PWB
Replace the MB main PWB
Code
Contents
Causes
Check procedures/
corrective measures
Summary of Contents for AK 740
Page 1: ...Service Manual RFXPHQW LQLVKHU D 07 3 LUVW GLWLRQ Date 2 0 20 3 SM06 ...
Page 2: ...Service Manual RFXPHQW LQLVKHU D 07 3 LUVW GLWLRQ Date 2 0 20 3 SM06 ...
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 ...