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240
Adobe Acrobat Help
Managing Color in Acrobat
Using Help
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240
Setting color management options
The printing function in Acrobat 5.0 supports a number of options that control color
management. Color can be managed on the printer or using ICC profiles embedded in the
PDF file. Overprinted colors and spot colors are printed using composite colors, and the
printing of transparent objects is supported using the same transparency settings as are
used in Adobe Illustrator 9.0.
To set the color management options:
1
In the Advanced Print Settings dialog box, select Print ICC colors as Device Colors to
ignore ICC profiles embedded in the PDF file during printing. Unless this option is
checked, color is managed on the printer and ICC profiles are converted to color space
arrays (CSAs).
2
Choose a color profile from the pop-up menu to determine how color is managed on
the printer. (You should generally use the color profile of the printer selected, depending
on the media and resolution used.)
•
Same as Source (No Color Management) to discard all color management information
and send device color to the printer, whether or not the document contains color
management information. Color is not managed anywhere.
•
Print/PostScript Color Management to use PostScript CSAs in the print stream to
manage color in the printer RIP.
•
One of the predefined ICC profiles listed for your printer to have Acrobat manage color
using the color management model (CMM) you defined in the Color Management
preferences. (See
“Choosing a color settings file” on page 235
.)
Note:
The CMYK working space is used as the default when printing to PostScript if the
policy for CMYK is not “off.”
3
Apply Overprint Preview to use composite colors to simulate the appearance of
overprinted colors and spot colors. (All spot colors in the document are converted to
process colors in order to simulate them.) Selecting this option may increase the time
required to print the file. Follow the instructions outlined in the next procedure to view an
overprint preview.
4
Choose a value for Transparency Quality/Speed to adjust the degree of rasterization of
transparent artwork when printing or exporting a PDF file:
•
Lowest/Fastest to rasterize all objects in the artwork. This setting should be used when
printing or exporting very complex artwork with many objects.
•
Lower/Faster to maintain simple vector objects but rasterize most complex areas. This
setting is ideal for objects containing only a few transparent objects.
•
Medium/Medium (the default setting) to maintain most objects as vectors but rasterize
the most complex transparent areas. This setting provides the best results for most
artwork.
•
Higher/Slower to maintain most of the artwork in vector form and rasterize very
complex artwork. This setting can increase processing time when the artwork contains
much transparent artwork.
•
Highest/Slowest to maintain as much of the artwork as possible in vector form.
However, very complex artwork may still be rasterized. This setting is both time and
memory intensive, but usually produces the highest-quality resolution.