Epson ActionScanner Manuale supplementare - Pagina 3

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ECHNOLOGIES

Several types of scanners are available; the list

below summarizes some popular choices.

LATBED

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Best suited for most business applications, this

scanner looks similar to a desktop photocopier.

You place a document on glass and close the

cover, and the scan head moves underneath it

along the "bed" of the scanner. Originally a gray

scale technology, color models are now just as

affordable, offering the widest range of uses in a

desktop system. A flatbed color scanner is ideal for

virtually all uses, from simple line drawings to

complex full-color illustrations and photographs.

AND

ELD

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You hold this type of scanner in your hand and

run it over the image. The scan head is limited in

size, usually just four inches wide, so you have to

piece together wider images using your software.

While this is the least expensive of scanner

technologies, you'll need a steady hand to avoid

distortions caused by shaky movement.

HEETFED

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Developed specifically for use with OCR

applications, this scanner feeds sheets of paper

into the unit and scans them automatically. You

can get similar results by adding an optional

automatic document feeder (ADF) to your

flatbed scanner.