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Imaging Settings
3-81
3
Printer Settings Menu
Halftones
Resolution
*
, Gradation, and Error Diffusion
This setting specifies how you print halftones.
Halftoning is used to print each process color at a different intensity, allowing
millions of different color to be reproduced using only the four process colors.
Depending on the required intensity of a given color, toner is placed on paper in
dots of different sizes. The grid of dots used for each toner color is called a
screen. Halftone screens are aligned to unique angles designed to eliminate
interference patterns called moiré (a shimmering, wavy effect) that can arise with
halftoning.
If [Resolution] is selected, a dither pattern that gives priority to the resolution of
the images is used. This helps eliminate the appearance of jagged or uneven
lines along the edges of objects and is best for printing standard text and
graphics.
If [Gradation] is selected, a dither pattern that gives priority to the appearance of
smooth changes in tone is used. This is best for reproducing images with delicate
gradations or changes of tone.
If [Error Diffusion] is selected, an error diffusion method that gives priority to
printing fine lines or text is used. This is best for printing images with small text or
very fine lines.
NOTE
A dither pattern creates the illusion of varying shades of gray or additional colors by
treating areas of an image as groups of dots that are colored in different patterns.
GradationResolution Error Diffusion
The above dithering patterns are examples.