Epson GT-20000N Pro User Manual page 41

Threshold
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.
Making Color Adjustments and Other Image Settings in Home Mode
The table below describes the settings available in Home Mode. For details on adjusting
these settings, see Epson Scan Help.
Note:
If you are scanning multiple images at the same time and you want to apply the image adjustments
to all of your image(s) or scan area(s), click All in the Preview window before you begin making
your adjustments.
Setting
Descreening
Backlight
Correction
Adjusts the level at which the black areas in text and line
art are delineated, improving text recognition in OCR
programs. This setting is available only when the Image
Type is set to Black&White.
densitometer icon in the Preview window and move your cursor over
Description
Removes the rippled pattern that can appear in subtly-shaded
image areas, such as in skin tones. Also improves results when
scanning magazine or newspaper images which include screening
in their original print processes. This setting is available only when
the Image Type is set to Color or Grayscale. The results of
Descreening do not appear in the preview, only in your scanned
image.
Removes shadows from photos that have too much background
light.
GT-20000 User's Guide
Scanning Your Originals
41