Document Cover Sensor - Duplo Duprinter DP-43E Service Manual

chap.2
z Scanner Section

(2) Document Cover Sensor

Description
The document cover sensor detects opening and closing of the document cover (or ADF if the ADF is installed).
Circuit
Operation
Sensor PS2 is photointerrupted with the document cover closed, The photointerrupter rotates as the
document cover is opened and sensor PS2 is photopassed.
2When the document cover is closed 2When the document cover is opened
Document cover
Photointerrupting plate
PS2
91