Changing The Resolution - Epson Expression 800 User Manual

Basic Scanning
For ink jet printers, such as an EPSON Stylus series printer set to
1440 dpi printing mode, use a scanning resolution of approximately
300 dpi (select approximately 240 dpi for 720 dpi printing mode).
For a list of recommended resolutions for specific image types, see
Setting Up and Using Your Scanner .

Changing the Resolution

To change the resolution to a specific setting, move the resolution slider
to the left to decrease resolution or right to increase resolution. You can
also enter a resolution in the field and switch between dpi (dots per inch)
and dpcm (dots per centimeter) measurement units.
If you select an appropriate resolution for your image, and then enlarge it
by scaling it or selecting a larger output size, SilverFast Lite automatically
increases the resolution proportionally so you don't need to adjust the
resolution to retain your image quality. For example, if you're scanning a
2 2-inch photograph at 300 dpi and then enlarge the output size to
4 4-inch (a 200% enlargement), SilverFast Lite automatically scans the
image at 600 dpi, even though the resolution slider is still set to 300 dpi.
If you adjust the resolution to a high setting, keep the following in mind:
You're scanning at a resolution that gives great results for photos, and
You're creating a very large file size using your current settings
click to switch between
dpi and dpcm
Page 21