HP 4050tn HP PCL/PJL reference (PCL 5 Color) - Technical Reference Manual - Page 187
Color Printing Overview (Color LaserJet, 5, 5M, DeskJet), Introduction - laserjet user guide
UPC - 088698769577
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A Color Printing Overview (Color LaserJet, 5, 5M, DeskJet) Note EN 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. 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. Color Printing Overview (Color LaserJet, 5, 5M, DeskJet) A-1