This document was printed on the HP Color LaserJet 9500 series printer using HP Color Laser Paper.
Evaluating color laser printers 15
Swatch book color matching
The process for matching printer output to preprinted swatch books and standard color references
is complex. In general, you can obtain a reasonably good match to a swatch book if the inks used
to create the swatch book are cyan, magenta, yellow, and black. These are usually referred to as
process color swatch books.
Some swatch books are created from spot colors. Spot colors are specially created colorants. Many
of these spot colors are outside of the gamut of the printer. Most spot color swatch books have
companion process swatch books that provide CMYK approximations to the spot color. Most
process swatch books will have a note on what process standards were used to print the swatch
book. In most cases, they will be SWOP, EURO, or DIC. To get optimal color matching to the
process swatch book, select the corresponding ink emulation from the printer menu. If you cannot
identify the process standard, use SWOP ink emulation.
RGB and CMYK color samples
To provide more precise color matching for printed output, HP offers comprehensive color samples
for HP Color LaserJet printers. Color samples allow experienced users to get the colors they want
from a variety of software applications regardless of the paper type.
Printing the color samples
You can print samples from the printer’s control panel. This will print a cover sheet followed by 20
pages of samples. To print the color samples:
1. Press MENU to enter the MENUS.
2. Use the arrow keys to highlight INFORMATION. Press Select.
3. Use the arrow keys to highlight PRINT CMYK SAMPLES or PRINT RGB SAMPLES. Press Select.
Note Colors may vary depending on paper type and the software application used. Obtain a
more accurate color output by printing color palette samples from the desired application,
when possible. This allows the colors to be defined and processed by the application itself,
so it can produce a more accurate representation of the final print product.
Neutral gray treatment
This feature allows you to select the neutral gray treatment of
either black-only or 4-color process grays. Black-only can be
selected to print black text, keeping the lines sharp and reducing
the impact of color plane misregistration. (No cyan, magenta, or
yellow toners are combined to form gray.) If 4-color grays are
selected, black is printed using all four process colors (cyan,
magenta, yellow, and black), known as process grays. This
selection is useful for printing photographs, since it produces
richer grays and blacks that blend smoothly with surrounding
colors. This feature, combined with Trapping, provides greater
flexibility and quality.
To Next Page
Loading...