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1-11 Managing color on the GA-1121
• On—The GA-1121 uses a built-in table or, with the Spot-On (available as Option),
the Spot-On color dictionaries (see page 3-18) to generate the best matches of the
PANTONE colors that your copier/printer can produce. The PANTONE number
is printed below each swatch.
•
Off—The GA-1121 prints swatches using the CMYK values recommended by
Pantone, Inc. (and used by applications that provide PANTONE color libraries).
The CMYK values used to generate the color, as well as the PANTONE number of
the color, are printed below each swatch. These CMYK values are printed through
the selected CMYK Simulation and Output Profile settings.
NOTE: This feature is not available with the PCL driver.
RGB Source Profile
The RGB source profile setting allows you to define the characteristics of the RGB
data in your document so the appropriate color conversion can occur on the GA-1121.
Commonly used monitor color spaces are available from the printer driver and from
the ColorWise Pro Tools Profile Manager. For special needs, use ColorWise Pro Tools
to download custom monitor or scanner profiles.
When you specify a setting other than None for the RGB Source Profile, the GA-1121
overrides source color space definitions or profiles that other color management
systems may have specified. For example, if you specified a ColorSync System Profile
on your Mac OS computer, the RGB Source Profile setting overrides it. In cases where
you do not want this setting to override another specified source color space, choose
the None setting.
When you specify a setting other than None for the RGB Source Profile—since the
color space definitions are overridden—the output from the GA-1121 is consistent
across platforms. The GA-1121 RGB Source Profile options are:
•
EFIRGB specifies an EFI-defined color space recommended for users who have no
detailed information about their RGB data.
•
sRGB (PC) specifies the industry standard definition for a generic Windows
computer monitor.
•
Apple Standard specifies the definition of all standard Mac OS computer monitors.