Riso GR 3770 - Stop Position of Image Scanner

FLAT BED IMAGE SCANNING SECTION
THEORY OF OPERATION
GR3770 3 - 2
2. STOP POSITION OF IMAGE SCANNER
Positions for the image scanner to stop include the following four:
• Home position (Image scanner home position sensor position)
• Original detecting position
• ADF shading position (ADF shading sensor position)
• ADF read-in position
* The correct Home position sensor position is in the Home position sensor ON → OFF position.
* The correct ADF shading sensor position is 1mm apart from the ADF shading sensor OFF → ON position when
the image scanner has moved toward scanning.
Image scanner ADF shading sensor
Image scanner home
position sensor
Home position
(Home position sensor position)
ADF shading position
(ADF shading sensor position)
Home positioning direction
(HP)
Scanning direction
Original detecting position ADF read-in position
60 mm120 mm
474 mm