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Duplo DUPRINTER DP-440 - Elevator Bottom Limit Sensor

Duplo DUPRINTER DP-440
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72
c Paper Feed Section
chap.2
(4)
Elevator bottom Limit Switch
Description
Circuits
Operation
This is a micro switch that senses the bottom limit position of the feed tray.
When the feed tray rises, the bracket disengages from the switch and the switch closes. When the feed tray
descends to its bottom limit position, the bracket engages the switch’s actuator, opening the switch.
If the switch does not open within about 30 seconds of the sending of the LOWER FEED TRAY command, error
E002 (elevator lock) is displayed.
Elevator bottom limit switch
descent(push):OPEN
Light blue
Light blue
CN4-20
-21
5V
5V
0
1
2
Main PCB unit
440W17e
Elevator motor
Actuator
440312
Elevator bottom
limit switch
2Bottom limit position
Gear
Gear

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