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PlotWorks User Guide • The Printer Interface • 8-49
Currently the Printer Interface automatically determines the color planes re-
quired only when they are specified in the Job Editor or PFS files. When using the 
HP-GL/2 pen macro it is not automatic and the Printer Interface defaults to gen-
erate only Black. This can be overridden by using an ‘M’ in the Pen Macro field. 
If an entire color print does not require a black pass then crop marks and labels 
will be generated in a color available in passes that were generated.
Patterns Used
The Printer Interface has 100 patterns that generate halftones from 0-100% in 1% 
steps. These patterns are automatically used to generate color. They are selected 
in the Pattern field of the Job Editor (see page 4-33), or in the PFS file (see page 
Appendix D-7
) by entering a percentage. The patterns are randomly generated. 
Printing CALS or TIFF Files with Patterns or in Color 
CALS and TIFF files do not have pens like an HP-GL or CALCOMP file. For 
these files use Pen #1 to define patterns and colors. If Pen #1, on a raster file, is 
set to color 6, 50% it will print 50% red. 
Also note that TIFF color files using LZW compression are not supported.
Printing Postscript or PDF files in Color 
To print Postscript or PDF files with color use the “M” pen macro. While this is 
slightly slower the results will be better.
Red and Black Printing Options
The MAX 200 and the 8180 can print red and black copies of color files. The RK 
Color Model Specific tab window contains options to control how these colors are 
printed. For more information on this option refer to “The RK Color Model 
Specific Tab Window”  on page 8-37
Accessing the RK Color Model Specific tab window:
1.
Open the Printer Interface if it is not already open.
2.
Click on the Setup file menu.
3.
Click on the Advanced Options menu item. This opens the Advanced Op-
tions window.
4.
Click on the RK Color Model Specific tab. This displays the RK Color Mod-
el Specific tab window.