Kodak i55 User Manual page 60

Cropping  allows you to capture a portion of the document being
scanned. All cropping options can be used with color/grayscale and
binary images. Front and Rear cropping are independent, however, for
simultaneous output scanning, color/grayscale and binary cropping
must be the same per side. Only one cropping option can be assigned
per image. Select one of the following options:
• Automatic: dynamically adjusts the cropping window for different
document sizes based on the edges of the image. Use this option for
56 A-61527 May 2006