QMS 4032 Specifications download pdf (Page 158)

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The term “pen” in the HP-GL emulation refers to a logical pen (in other words, the cur-

rent pen position) rather than to a physical pen on a plotter. A pen and pen color are

selected to draw images. This emulation supports 8 pens and 8 pen colors.

Although your QMS 3260/4032 Print System is not a color printer, the pen colors can

be converted to shades of gray. In that case, the default color mappings for the 8 pens

are as follows:

»Note:

The default color for both pen 1 and pen 2 is black. However, the pen width for

these two pens is different. Pen 1 is 0.7 mm and pen 2 is 0.3 mm.

The printer maps each pen to its assigned color, then converts the color to a grayscale

using the National Television System Committee (NTSC) standard equation for

encoding color. This equation converts a given set of CMYK values to grayscale. For

the 8 pen colors assigned to pens 1 - 8, the printer uses the designated grayscale; for

any other pen color, the printer uses the following equation:

[(C*0.3) + (M*0.59) + (Y*0.11) + K] ÷ 255

»Note:

This equation assumes that each grayscale is a byte value that ranges from 0

to 255 (100%). If the sum of the left-side (calculation in brackets) of the NTSC

equation is greater than 255, then the sum is set equal to 255.



Pen Pen Color Level of Gray

Black

Red

Green

Blue

Violet

Orange

Brown

100%

70%

41%

89%

59%

25.8%

50%

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QMS 4032 Specifications Page 158