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The Neutral Grays setting determines the method used for creating gray colors used in text,
graphics, and photographs.
Two values are available for the Neutral Grays setting:
● Black Only generates neutral colors (grays and black) using only black toner. This
guarantees neutral colors without a color cast.
● 4-Color generates neutral colors (grays and black) by combining all four toner colors.
This method produces smoother gradients and transitions to non-neutral colors, and it
produces the darkest black.
NOTE
Some applications convert text or graphics to raster images. In these cases, the
Photographs settings will also control text and graphics.
Edge Control
The Edge Control setting determines how edges are rendered. Edge control has three
components: adaptive halftoning, REt, and trapping. Adaptive halftoning increases the edge
sharpness. Trapping reduces the effect of color plane misregistration by slightly overlapping
the edges of adjacent objects. The color REt option increases the apparent resolution by
placing each dot for the smoothest edges.
Four levels of edge control are available:
● Maximum is the most aggressive trapping setting. Adaptive halftoning and color REt
settings are on.
● Normal is the default trapping setting. Trapping is at a medium level. Adaptive halftoning
and color REt settings are on.
● Light sets trapping at a minimal level. Adaptive halftoning and color REt settings are on.
● Off turns off trapping, adaptive halftoning, and color REt.
RGB Color
Three values are available for the RGB Color setting:
● Default instructs the printer to interpret RGB color as sRGB. sRGB is the accepted
standard of Microsoft and the World Wide Web Organization (www).
● Vivid instructs the printer to increase the color saturation in the midtones so that colored
objects appear more colorful. Printed blues and greens will likely appear darker than on
your monitor. This option is good for business graphics or for producing colors similar to
the HP Color LaserJet 4550.
● Device instructs the printer to print RGB data in raw device mode. To render
photographs properly with this selection, you must manage image color in the
application or operating system.
NOTE
HP Color LaserJet 4550 Color Emulation can be accessed though the Print Task Quick Sets
in the printer driver.
ENWW Managing printer color options 109