A3 Size Color Flat Bed Scanner GT-30000 Revision A
ADJUSTMENTS Adjustments Using the Special Software 63
Figure 5-7.  Checking the Main Scanning Correction Value
4. Enlarge the scanned image on the screen to check the image. If the edge 
panels are included in the image, or if the ruler part of the scanned image 
is truncated by more than 1 mm, adjust the main scanning correction 
value. (See "Chapter 5.3.4.2 Main Scanning Correction Value 
Adjustment".)
5.3.4.1.2  Check the home position in the sub scanning direction
1. Place a sheet of white paper (one sheet of A3 paper or two sheets of A4 
paper) and a ruler onto the document platen so that they are against the 
main scanning edge panel.
2. Set the scanning area in the preview screen. (See "Figure 5-8. Checking 
the Sub Scanning Correction Value".
3. Scan the image at 600 dpi and as a 24-bit color image.
Figure 5-8.  Checking the Sub Scanning Correction Value
4. Enlarge the scanned image on the screen to check the image. If the edge 
panels are included in the image, or if the ruler part of the scanned image 
is truncated by more than 1 mm, adjust the sub scanning correction value. 
(See "Chapter 5.3.4.3 Sub Scanning Correction Value Adjustment".)
Set the maximum area
Set so that there is no gap
About 2~3 cm
Ruler part of scanned image
[Example]
Edge panel is included 
in the scan (adjustment 
required).
C H E C K
P O I N T
Use the Imaging software which is bundled with Windows 
95/98 as the scanning application.
Set the 
maximum 
area
Set so that there is no gap
About 2~3 cm
Ruler part of scanned image
[Example]
Ruler part of the scanned 
image is truncated by more 
than 1 mm (adjustment 
required).