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4: Printer Settings and Adjustments
Printing Preferences
P1036101-002 Zebra ZXP Series 7 Card Printer User’s Manual 91
Monochrome Conversion
The monochrome panels in the ribbon can only print binary (pure on or off) images.
Monochrome conversion is used to convert continuous tone 8-bit-per-pixel RGB or gray
image content into binary1-bit-per-pixel content.
SUMMARY
Error diffusion/halftoning: Use on pictures. Image content dictates if error diffusion or
halftoning would look best. For the majority of time, error diffusion is better.
Threshold: Use on text, barcodes, line art, and simple graphics.
• Dither error diffusion (default)
Error diffusion is a dithering technique to convert full color or
gray images into a binary image that when printed simulates
having a continuous tone response. The error diffusion
technique is usually preferred on pictorial images since it
produces a sharper and more detailed image.
• Dither 6x6 halftoning
Halftoning is a dithering technique to convert full color or gray
images into a binary image that when printed simulates having
a continuous tone response. The halftoning technique is
coarser looking than error diffusion but does not have the
inherent image structure seen with error diffusion.
•Threshold
Threshold (also know as Dither pure black on white) converts
full color or gray images into a binary image by a threshold
comparison. If a gray pixel value is above the threshold, it
converted to a white pixel; and if its below the threshold, its
converted to a black pixel.This method will not simulate
shades like error diffusion or halftoning does and is thus not
recommend to be used with pictorial content. However, it will
accurately preserve straight edges on graphics, barcodes, and
text and is the preferred conversion for those types of images.