Epson ES-1000C - Manual (Page 28)

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
In other words, there is no point in scanning at a higher
resolution then your output device is capable of. To keep file
sizes manageable, select the lowest resolution that provides
acceptable quality on your output device.
To scan at the optimum resolution for your image and final
output device, select your resolution based on the
recommendations in the table below. The resolutions are listed
in dots per inch (dpi) or pixels per inch (ppi).
Recommended resolutions
Output device
Black and white
printer
Line art Grayscale
300-600 80-1 70
Color
Desktop or office
color printer
Printing press or
image setter
300-720 150-240 150-240
600-1 200 150-350 150-350
You can change resolutions using EPSON TWAIN by choosing
the Destination button. 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.
For more information on resolution, see your scanner
User 's Guide and the EPSON Scanning Utilities User 's Guide.
Now that you know the basics, you’re ready to begin scanning.
For additional information, see the manuals for your scanner,
the scanning utilities, Photoshop, and TextBridge.
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