Epson ES-300C User's Guide download pdf (Page 34)

Optimum scanning resolutions

Output device

Monochrome

printer

line art

Grayscale

Color

300-600

80-x170

Desktop or off ice

color printer

Printing press or

imagesetter

300-720

150-240

600-1200

150-350

The higher the resolution you select, the larger the resulting

image file. For example, an 8.5 x 11 photograph scanned at

300 dpi can produce a 24MB file. The same photograph

scanned at 72 dpi creates a file of only 1.36MB. Large files take

longer to process and print, so consider the limitations of your

computer and hard disk drive when you select a resolution. To

keep file sizes manageable, select the lowest possible resolution

that gives acceptable quality.

Tip:

As a rule of thumb for any image except line art, use scanning

resolutions that are one third of your output resolution. For

example, use

a scanning resolution

110 with a 300 dpi

laser printer and up to 170 with a 600 dpi laser printer. For

the color EPSON Stylus printers, choose a resolution from

100 to 240 dpi

for

720 dpi output and from 100 to 150 dpi for

360 dpi output.

Tip:

For printing on a commercial printing press, multiply the

lines per inch (lpi) the press prints by 2 to determine your

scanning resolution. For example, if your lpi is 150, try

scanning at 300 dpi.

(if the file size is too

large,

multiply the

lpi by 1.5 to determine the scanning resolution.)

Tip:

If you plan to enlarge an image when you print it, scan it at a

higher resolution than you

normally

would.

Capturing Images From Within Applications

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Epson ES-300C User's Guide Page 34

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