Epson C2600/2600 Owner's Manual page 72

Suitable for printing graphics and charts.
PhotoEnhance
Suitable for printing video captures, images taken with a digital
camera, or scanned images. EPSON PhotoEnhance4
automatically adjusts the contrast, saturation, and brightness of
the original image data to produce sharper, more vivid color
printouts. This setting does not affect your original image data.
ICM (Except for Windows NT 4.0)
ICM stands for Image Color Matching. This feature automatically
adjusts printout colors to match colors on your screen.
sRGB
When using equipment which supports sRGB, the printer
performs Image Color Matching with these pieces of equipment
before printing. To confirm that your equipment supports sRGB,
contact your equipment dealer.
Advanced Text/Graph
Suitable for printing high-quality presentation documents that
include text and graphs.
Advanced Graphic/CAD
Suitable for printing high-quality graphs, charts, and photos.
Advanced Photo
Suitable for printing high-quality scanned photos and
digitally-captured images.
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Using the Printer Software with Windows