Epson Expression 636 Manuel d'installation facile - Page 17

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Également pour Epson Expression 636 : Manuel de configuration (36 pages), Manuel d'information sur les produits (5 pages), Manuel du logiciel (4 pages), Manuel (11 pages), Bulletin d'information sur les produits (14 pages), Bulletin d'information sur les produits (5 pages)

You'll select different resolutions for scanning line drawings and

halftones from the ones you select for scanning photographs.

The final output device is the device on which you plan to

ultimately print the image. This may be a printer connected to

your computer or a commercial printing press.

In addition, the file size of the scanned image may determine the

resolution you select. The file size may be very large for high

resolution scans, taking up valuable disk space and causing

longer processing and printing time. Generally, the higher the

resolution you choose, the larger the file.

Note that a very high resolution scan may not produce a better-

quality printed image because your output device may not

recognize the high resolution information stored in the file.

There is no point in scanning at a higher resolution than your

output device can support. To keep file sizes manageable, select

the lowest resolution that provides acceptable quality on your

output device.

You can change resolutions using EPSON TWAIN by choosing

the Destination button on the advanced screen. In the

Destination dialog box, select the box beneath the resolution

type you want to change ( Drawing/Halftone or Photo ); then

choose the resolution for that type from the pull-down menu.

Now that you know the basics, you're ready to begin scanning.

For additional information, see the manuals for your scanner,

the scanning utilities, and your software.

Scanning Images

Now you're ready to start scanning. First, choose an image to

scan. The best choice is a color photograph. Printed pictures,

such as those in magazines, do not scan as well as photographs

because of the dot patterns used in the printing process.

Scanning Images 15