Fujitsu SCANSNAP iX1600 Advanced Operation Manual page 59

Rotating a Scanned Image to Its Correct Orientation
l Documents with characters on a patterned background
Example: Characters overlapping illustrations and diagrams
l Documents with characters printed in various directions such as drawings
l Documents written using only capital letters
l Documents including handwritten characters
l Skewed documents
l Documents with complex layouts
l Documents with a large amount of image noise
l Documents with faint characters
l Documents with faded characters
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