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Epson SureColor T-Series User’s Guide
Color Management Printing
109
Color Management
Printing
About Color Management
Even when using the same image data, the original
image and the displayed image may look different, and
the printed results may look different to the image you
see on the display. This occurs due to the difference in
characteristics when input devices such as scanners
and digital cameras capture colors as electronic data,
and when output devices such as display screens and
printers reproduce colors from the color data. The
color management system is a means to adjust
differences in color conversion characteristics among
input and output devices. A color management system
is included with operating systems such as Windows
and Mac OS, in addition to image processing
applications. Windows and Mac OS X include the ICM
and ColorSync color management systems,
respectively.
In a color management system, a color definition file
called a "Profile" is used to perform color matching
between devices. (This file is also called an ICC profile.)
The profile of an input device is called an input profile
(or source profile), and the profile of an output device,
such as a printer, is called a printer profile (or output
profile). A profile is prepared for each media type in
this printer's driver.
The color conversion areas by the input device and the
color reproduction area by the output device differ. As
a result, there are color areas that do not match even
when performing color matching using a profile. In
addition to specifying profiles, the color management
system also specifies conversion conditions for areas
where color matching failed as "intent". The name and
type of intent vary depending on the color
management system you are using.
You cannot match the colors on the printed results and
display by color management between the input device
and the printer. To match both colors, you need to
perform color management between the input device
and the display as well.
Color Management Print
Settings
You can perform color management printing using
this printer's printer driver in the following two ways.
Choose the best method according to the application
you are using, the operating system environment, the
aim of the print out, and so on.
Setting color management with the applications
This method is for printing from applications that
support color management. All color management
processes are carried out by the application's color
management system. This method is useful when you
want to obtain the same color management print
results using a common application among different
operating system environments.
U“Setting color management with the applications”
on page 110
Setting color management with the printer driver
The printer driver uses the operating system's color
management system and carries out all color
management processes. You can make color
management settings in the printer driver using the
following two methods.
O Host ICM (Windows) / ColorSync (Mac OS X)
Set when printing from applications that support
color management. This is effective in producing
similar print results from different applications
under the same operating systems.
U“Color management printing by Host ICM
(Windows)” on page 111
U“Color management printing by ColorSync
(Mac OS X)” on page 112
O Driver ICM (Windows only)
This allows you to perform color management
printing from applications that do not support
color management.
U“Color management printing by Driver ICM
(Windows Only)” on page 113