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Leave the printer permanently turned on so that it can maintain the printhead in good condition
automatically. This regular printhead maintenance uses a small amount of ink. However, if it is not
done, the printer may need to use much more ink later to restore the health of the printhead.
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Wide prints make more efficient use of ink than narrow prints, because printhead maintenance
uses some ink, and its frequency is related to the number of passes made by the printhead.
Color management
Your printer has been engineered with advanced hardware and software features to ensure predictable
and dependable color results.
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State-of-the-art HP printheads and HP inks
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Dedicated color resources for most available paper types
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Color emulation of other HP Designjet printers
Color management options
The aim of color management is to reproduce colors as accurately as possible on all devices: so that,
when you print an image, you see very similar colors as when you view the same image on your
monitor. Color management is highly dependent on the paper type loaded at the printer, so please
select the correct preset for the paper type you are using.
The color management options for your printer can be selected from the Color menu in the Windows
driver dialog or from the Color Options panel in the Mac OS X Print dialog. In some applications
you can make the choice in the application itself. Please consult the HP Support Center for guidance on
how to use the color management options of your particular application.
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Application-Managed Colors: In this case your application program must convert the colors
of your image to the color space of your printer and paper type, using the ICC profile embedded
in the image and the ICC profile of your printer and paper type.
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Printer-Managed Colors: In this case your application program sends your image to the
printer without any color conversion, and the printer converts the colors to its own color space. The
color management in the printer is done using a set of stored color tables. ICC profiles are not
used. This method can produce very good results with supported HP paper types. There are two
color spaces that the printer can convert to its own color space using the stored color tables: sRGB
and Adobe RGB.
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sRGB emulates the characteristics of the average computer monitor. This standard space is
endorsed by many hardware and software manufacturers, and has become the default color
space for many scanners, cameras, printers, and software applications.
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Adobe RGB provides a larger color gamut than sRGB. Use this space if you need to do
print production work with a wide range of colors.
Printer emulation
If you want to print a particular job and to see approximately the same colors that you would get from
printing the same job on a different HP Designjet printer, you can use the emulation mode provided by
your printer.
NOTE: Printer emulation is available only when printing an HP-GL/2 job on plain or coated paper. It
is not available from Mac OS X.
48 Chapter 6 Printing ENWW