Epson Perfection 610 User Manual page 17

Scanning
Scanning Text or Line Art
1 Select the OCR/Line Art tab.
2 Select a threshold setting. These automatically select resolution and
sharpness settings appropriate for the output type. Select one of the
following options: Newspaper, Magazine, Printout, Book, or User
Defined.
resolution
threshold
settings
threshold
slider
If you select User Defined, adjust the slider until the preview looks the
way you want your image to appear.
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