User`s guide

Descreening 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 in the following conditions:
- when the Image Type is set to Color
- when the Image Type is set to Grayscale
The results of descreening do not appear in the preview, only in your
scanned image.
Backlight Correction Removes shadows from photos that have too much background
light.
This setting is available in the following conditions:
- when you select Photograph as the Document Type setting and
Image Type is set to Color
- when you select Photograph as the Document Type setting and
Image Type is set to Grayscale
Color Restoration Restores the colors in faded photos automatically.
This setting is available in the following conditions:
- when you select Photograph as the Document Type setting, and
Image Type is set to Color
- when you select Photograph as the Document Type setting, and
Image Type is set to Grayscale
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.
This setting is available in the following conditions:
- when you select Photograph as the Document Type setting and
Image Type is set to Color
- when you select Photograph as the Document Type setting and
Image Type is set to Grayscale
Epson AcuLaser MX21/MX20 Series User's Guide
Scanning 91
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