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98 Zebra ZXP Series 8 Card Printer User’s Manual P1045430-002
4: Printer Settings and Adjustments
Printing Preferences
• Send as grayscale
This mode can be used when you have black anti-aliased text.
Black anti-aliased text is typically black in the center; but on
the edges, it has shades of gray that get lighter as you move out
form the center of the text. This anti-aliased text will have a
softer looking edge that is less sharp than non anti-aliased text.
For electronic displays and printers that print continuous tones,
anti-aliased text looks and prints better. For K-printing, the
driver usually performs monochrome conversion to convert the image to binary; but then
the printer has to convert it back to gray so it can be run through the imaging path.
With the “send as grayscale” mode enabled, converting the K-panel to binary is skipped so
the extra information contained with anti-aliased text is retained; and it prints K with a
slightly smoother edge. If the input K text is not anti-aliased, the text will look the same
with this mode as it would with the dither pure black and white mode.
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.
Dither pure black and white: Use on text, barcodes, line art, and simple graphics.
Send as grayscale: Use with black anti-alised text.