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5-3 Office applications
Office applications
The iR C2100/2100S must receive PostScript instructions to print an image
or a document. Many applications do not create these PostScript instructions
by themselves, and instead rely on the printer driver to create them. Included
in this category are most word processors, spreadsheets, and presentation
packages. These applications use Windows Graphics Device Interface
(GDI) to display and print when running under Windows and Apple
QuickDraw to display and print when running on Mac OS computers. We
refer to these GDI and QuickDraw applications as “office applications.”
All office applications handle color similarly, using the same RGB color
model used for the color monitor display. Most office applications allow you
to choose colors from a palette of preselected colors; some allow you to add
new colors to the palette using a color picker. Although some applications
allow you to specify color using the CMY, HSL, and HSV color models,
these applications always send RGB color data to the iR C2100/2100S. (An
exception to this is a CMYK EPS file placed in the document, which is sent
as CMYK data.)
When working with color in office applications, keep in mind that:
• The range of colors that can be displayed in RGB on your monitor is much
larger than the range of colors that can be printed on your copier/printer.
When you print the document, out-of-gamut RGB colors are mapped to
colors your copier/printer can produce.
• These applications send only RGB data to the iR C2100/2100S. You
control the rendering style of the color conversion with your selection of a
CRD.
Each CRD uses a different color rendering style, and therefore has a
different way of mapping unprintable colors to the color gamut of your
copier/printer. iR C2100/2100S color rendering styles are described on
page 1-4.