This article explains how to scan with the Auto Scan function of IJ Scan Utility on a Mac.
Solution
Auto Scan allows for automatic detection of the item type.
Important
The following types of items may not be scanned correctly.In that case, adjust the cropping frames (scan areas) in whole image view of ScanGear (scanner driver), and then scan again.
Photos with a whitish background
Items printed on white paper, hand-written text, business cards, and other unclear items