Auto-crop Settings dialog box
Access this from the Scan pane by selecting a profile, clicking Settings, choosing the SET panel, enabling Auto-crop and clicking the associated button.
Select small, medium or large margins, to be applied to all images scanned with the current profile.
The horizontal and vertical values are as follows:
for small margins 40 and 50 pixels
for medium margins 80 and 100 pixels
for large margins 120 and 150 pixels.