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Understanding EPSON TWAIN Features

Image Types

Image Type list

Use the Image Type list to select the type of image to be scanned.

Image Type list

The Image Type list provides the following settings. Click the arrows on the right to view all of the available settings.

Color Photo:

24-bit color scanning

This setting is useful when scanning color photo.

Color Document:

24-bit color scanning with de-screening to remove moiré patterns

This setting is useful when scanning magazine or catalog.

Note:

A moiré is a cross-hatch pattern that appears on scanned images when scanning printed material. It is a result of interference that occurs due to the difference between the pitches of the scanning and the halftone screens.

Black & White Photo:

8-bit gray scanning

This setting is useful when scanning black and white photo.

Black & White Document:

8-bit gray scanning with de-screening

This setting is useful when scanning magazine or newspaper.

Illustration:

24-bit color scanning with color smoothing to reduce the colors in an image to limited number of index colors

This setting is useful when scanning large areas of solid colors (for example, logos, illustrations, charts).

Text/Line Art:

Black and white scanning

This setting is useful when scanning text or line art, and is also good for OCR (Optical Character Recognition).

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