Minolta Di 620 Manual page 56

3) Original Detecting Filter Mechanism
•
Switching of the Original Detecting Solenoid causes the Original Detecting Filter
to flip up and down, as shown below.
Original
Detecting Filter
Cushion (*1)
*1: The cushion muffles the sound of the filter dropping down (when the Original
Detecting Solenoid switches OFF).
<Original Detecting Solenoid ON>
Detection operation in progress
Original Detecting
Mechanism
<Original Detecting Solenoid OFF>
While copying is in progress, or while the copier is in standby
Original Detecting
Mechanism
Lens
M-37
Original Detecting Solenoid
1155M031AA
CCD Sensor
1155M032AA
Lens
CCD Sensor
1155M033AA
(SL7)