Microtek ScanMaker 6400XL Reference Manual page 157

Automatic Sharpness Enhancement
The Automatic Sharpness Enhancement feature
emphasizes the edges (contours) of an image,
contributing to increased sharpness.
To use the Automatic Sharpness Enhancement function:
1. In the Settings window, select the Filter options
menu.
2. From the options menu, select your sharpening
option from Low, Medium, and High. Alternatively,
you can also select the sharpening option from the
"Advanced Image Correction: Filter" window.
3. Click the "Scan" or "Batch" button to start scanning.
The resulting sharpened image displays shortly
afterwards.
Before After
10
Mac OS X
Windows XP