Duplo DUPRINTER DP-440 - Document Cover Sensor

39
z Scanner Section
chap.2
Description
The document cover position sensor detects opening and closing of the document cover (or ADF if the ADF is installed).
Operation
Sensor is photointerrupted with the document cover closed, The photointerrupter rotates as the document
cover is opened and sensor is photopassed.
Document cover position sensor
Red
Blue
CN6-11
2
3
22
23
24
-3
Light green
Red
Blue
Light green -2
5V
5V
5V
0
Main PCB unit
Photopassing :0V
Photointerrupting:5V
Circuit
(3) Document Cover Position Sensor
2When the document cover is closed
Document cover position sensor : photointerrupted
2When the document cover is opened
Document cover position sensor : photopassed
440W04e
440338
Photointerrupted Photopassed
Fulcrum Fulcrum
OPEN
CLOSE