Click Preferences... in the ScanGear (scanner driver) screen to open Preferences dialog box.
In the Preferences dialog box, you can make advanced settings to ScanGear functions via the Scanner, Preview, Scan, and Color Settings tabs.

Scanner Tab
Allows you to specify a folder to save images temporarily and a music file to play during or at the end of a scan.
Preview Tab
Allows you to select what to do with Preview when ScanGear is started and how to display cropping frames after previewing images. You can also select the cropping size for thumbnails of scanned documents.
Scan Tab
Allows you to select what to do with ScanGear after scanning images.
Color Settings Tab
Allows you to select how to adjust color, and specify the monitor gamma value.