The items may not be available depending on other settings you made.
Select the scan area. To crop the white space around the text or image when scanning, select Auto Cropping. To scan at the maximum area of the scanner glass, select Max Area.
Original Orientation:
Select the orientation of the original.
Remove the shadows of the original that appear in the scanned image.
Surround:
Remove the shadows at the edge of the original.
Center:
Remove the shadows of the binding margin of the booklet.