2L6/2N6/2N5/2N4
1-4-186
8410 Punch slide motor error 1
turn On when home position
has been moved by 30 mm.
Punch slide motor
1. Execute U240 Booklet - Punch Move to
check the finisher operation (see page
1-3-134).
2. Manipulate the punch slide part of the
punch unit back and forth to check it can
smoothly move.
3. Check that the drive from the motor
reaches punch area.
4. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Punch slide motor and Punch PWB
(YC3)
5. If the wiring is disconnected, shorted or
grounded, replace the wiring.
6. Replace the punch slide motor.
Punch slide sensor
1. Execute U241 Punch - Punch HP to
check the finisher switch (see page 1-3-
134).
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.
Punch slide sensor and Punch PWB
(YC6)
4. Replace the punch slide sensor.
Punch PWB
1. Confirm that the wiring connector is
firmly connected and, if necessary,
connect the connector all the way in.
Punch PWB (YC1) and DF main PWB
(YC7) (4000-sheet finisher)
Punch PWB (YC1) and DF main PWB
(YC8) (1000-sheet finisher)
2. Replace the punch PWB.
DF main PWB Replace the DF main PWB
Code Contents Related parts
Check procedures/
corrective measures
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