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EN Color Printing Overview (Color LaserJet, 5, 5M, DeskJet) A-1
A
Color Printing
Overview
(Color LaserJet, 5, 5M,
DeskJet)
Introduction
This appendix provides an overview of the way color is used in the
HP Color LaserJet, Color LaserJet 5, 5M, DeskJet 1200C, and
DeskJet 1600C printers. It previews the remaining appendices, which
describe the specific details of Hewlett-Packard color printing.
Note The features described in these appendices are a superset of those
supported by the HP Color LaserJet, Color LaserJet 5, 5M and
DeskJet printers. Some features are supported on one or more
printers, but not necessarily on all of them. See the PCL 5
Comparison Guide for specific feature support for each printer.
Processing a color document involves specifying a palette or palettes,
and then using the colors within the current palette to print. For
non-raster printing, items such as text, rules, and vectors are simply
printed in the currently active color, which is specified using the
Foreground Color command or Select Pen command if in HP-GL/2.
For raster printing, the color of each pixel is specified as either a
direct color specification, or as an index into the palette, depending on
the pixel encoding mode.
The PCL Print Model determines how color is applied to the page.
The printed result can vary in background and texture depending on
the source transparency mode, pattern transparency mode, and
selected logical operation (ROP). Besides the pre-defined shading
and patterns, users can define new monochrome or multicolor
patterns.