A3 Size Color Flat Bed Scanner GT-30000 Revision A
PRODUCT OUTLINE Operation Specifications 21
1.4.3  Available Scan Area
The origin point for this scanner is marked at the rear left corner of the 
document table when viewed from the front. See "Figure 1-9. Maximum Scan 
Area" for the maximum scan area.
Figure 1-9.  Maximum Scan Area
1.4.4  Transportation Screw
A carriage fixing screw is attached to the rear of the scanner. The purpose of 
this screw is to protect the carriage assembly from shocks when transporting or 
moving the scanner. Be sure to turn this screw to the UNLOCK position before 
turning the scanner power on.
Figure 1-10.  Transportation Screw (without ADF)
297mm
0.5
±
0.5mm
Origin Point
C H E C K
P O I N T
!
Mass-produced products have UNLOCK and 
LOCK indications provided on the main scanner 
assembly.
!
The ADF should be removed when changing the 
position of the carriage fixing screw.
UNLOCK
LOCK