Hp Designjet T1120 Printer series Manuel d'utilisateur Page 79

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There are two basic approaches to color management for your printer:
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.
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 details
of this process depend on the graphics language that you are using.
PostScript: the PostScript interpreter module inside the printer performs the color conversion
using the profiles stored in the printer and any additional profiles sent with the PostScript job.
This kind of color management is done when you are using the PostScript driver and you
specify printer color management or when you send a PostScript, PDF, TIFF or JPEG file
directly to the printer through the Embedded Web Server. In either case you have to select
the profiles to use as default (in case the job doesn't specify any) and the rendering intent to
apply.
Non-PostScript (PCL, RTL, HP-GL/2): the color management is done using a set of stored
color tables. ICC profiles are not used. This method is somewhat less versatile than the
previous methods, but is a little simpler and faster, and can produce good results with standard
HP paper types. This kind of color management is done when you are using a non-PostScript
driver and you specify printer color management, or when you send a PCL, RTL or HP-GL/2
file directly to the printer through the Embedded Web Server.
NOTE: There are only two color spaces that the printer can convert to its own color space
using the stored color tables: Adobe RGB and sRGB if you are using Windows, Adobe RGB
and ColorSync if you are using Mac OS.
ColorSync is the Mac OS built-in Color Management System; so, in fact, when selecting
ColorSync it is the built-in color management part of Mac OS that is performing the color
management, and it is done based on the ICC profiles of specified paper type. ColorSync is
available with the PCL driver only.
You are recommended to consult the Knowledge Center at http://www.hp.com/go/T1120/
knowledgecenter to see how to use the color management options of your particular application.
To choose between Application-Managed Colors and Printer-Managed Colors:
In the Windows driver dialog: select the Color tab.
In the Mac OS Print dialog (T1120): select the Paper Type/Quality panel, then Color.
In the Mac OS Print dialog (T1120ps): select the Color Options panel.
In some applications: you can make this choice in the application.
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.
70 Chapter 7 Color management ENWW
Color management
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