Epson Stylus Pro 7800 User Manual page 24

Automatic mode
Automatic mode is the quickest and easiest way to start printing.
When Automatic is selected, the printer driver takes care of all
detailed settings based on the current Media Type and Color
settings.
Quality and Speed slider
Depending on the media you choose in the Media Type setting
while Color (or Color/B&W Photo) or Black is selected as the
Color setting and Automatic as the Mode setting, a Quality or
Speed slider appears in the Mode box. Select Quality when print
quality is more important than print speed. Select Speed when
print speed is more important than print quality.
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Printing with Windows