Epson GT-20000N Pro User Manual page 42

Color Restoration Restores the colors in faded photos automatically.
Dust Removal Removes dust marks from your originals automatically. The results of
Dust Removal do not appear in the preview, only in your scanned
image.
Text Enhances text recognition when scanning text documents.
Enhancement
Available only when you select Magazine, Newspaper, or Text/Line
Art as the Document Type setting.
Brightness Adjusts the overall image lightness and darkness.
Click Brightness to access the Brightness setting.
Contrast Adjusts the difference between the light and dark areas of the
overall image.
Click Brightness to access the Contrast setting.
Threshold Adjusts the level at which the black areas in text and line art are
delineated, improving text recognition in OCR programs.
Available only when you select Black&White as the Image Type
setting.
Click Brightness to access the Threshold setting.
Note:
❏ To view the red, green, and blue levels at particular points in your preview image as you make
adjustments, click the
an image area. See Epson Scan Help for details.
❏ Certain settings may not be available, or may be automatically selected, depending on the type
of image you are previewing and other settings you have selected.
❏ You can customize how certain Epson Scan settings behave by clicking Configuration and
changing settings in the window that appears. See Epson Scan Help for details.
❏ To undo any image quality adjustments you make to the preview image, click Reset if available,
turn off the settings, or preview your image again.
densitometer icon in the Preview window and move your cursor over
GT-20000 User's Guide
Scanning Your Originals
42