HP DesignJet T7200 Using Your Printer - Page 99

Printer emulation, Color adjustment options, In the Mac OS X Print dialog

Page 99 highlights

● 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 (with the PostScript upgrade): 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 (HP-GL/2, RTL): 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 alternatives, 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 an HP-GL/2 or RTL 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 if you are using Mac OS X. You are recommended to consult the Knowledge Center (see http://www.hp.com/go/T7200/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 X Print dialog: 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. NOTE: This option is available only when printing an HP-GL/2, PostScript or PDF job. It will work correctly only when printing on plain, coated or heavyweight coated paper. ● In the Windows driver dialog: select the Color tab, then Printer Managed Colors, then select Printer Emulation from the Source Profile list. You can then select from the Emulated Printer list. ● In the Mac OS X Print dialog: select the Color Options panel, then select from the Printer Emulation from the Color Management list. Color adjustment options The aim of color management is to print accurate colors. If you perform color management correctly, then you should be able to print accurate colors with no need of any manual color adjustments. However, manual adjustments may be useful in the following situations: ENWW Color management from printer drivers 91

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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.
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 (with the PostScript upgrade):
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 (HP-GL/2, RTL):
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 alternatives, 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 an HP-GL/2 or RTL 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 if you are using Mac
OS X.
You are recommended to consult the Knowledge Center (see
go/T7200/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 X Print dialog:
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.
NOTE:
This option is available only when printing an HP-GL/2, PostScript or PDF job. It will work correctly only
when printing on plain, coated or heavyweight coated paper.
In the Windows driver dialog:
select the
Color
tab, then
Printer Managed Colors
, then select
Printer
Emulation
from the Source Profile list. You can then select from the Emulated Printer list.
In the Mac OS X Print dialog:
select the
Color Options
panel, then select from the
Printer Emulation
from the
Color Management list.
Color adjustment options
The aim of color management is to print accurate colors. If you perform color management correctly, then you
should be able to print accurate colors with no need of any manual color adjustments.
However, manual adjustments may be useful in the following situations:
ENWW
Color management from printer drivers
91