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Choose File > Print to open the Print dialog box, and then click Advanced.
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Select Output from the list on the left.
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For Color, choose In-RIP Separations.
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For Trapping, choose Adobe In-RIP.
Note: This option works only when you target an output device that supports Adobe In-RIP Trapping.
Click Ink Manager. As necessary, select an ink, specify the following options (only if your service provider recom
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mends changing the settings), and then click OK:
Choose an ink type that describes the selected ink.
Type
Type a value that differs from the default.
Neutral Density
Type a value to set the order in which inks are printed.
Trapping Sequence
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Continue specifying other print options, and then click OK to print your document.
See also
"Adjusting ink neutral density values" on page 468
"Customize trapping for specialty inks" on page 468
"Adjust the trapping sequence" on page 469
Specify settings using trap presets
A trap preset is a collection of trap settings you can apply to pages in a PDF. Use the Trap Presets dialog box for
entering trap settings and saving a collection of settings as a trap preset. If you don't apply a trap preset to a trapping
page range, that page range will use the [Default] trap preset, a collection of typical trap settings that are applied to
all pages of a new document.
Note: In Acrobat, trap presets and their assignments apply to the document only while it is open; trap settings are not
saved in the PDF. This behavior is different from InDesign, where trap presets and their assignments are saved with the
InDesign document.
Create or modify a trap preset
Choose Advanced > Print Production > Trap Presets.
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Select an existing preset as a starting point, and then click Create.
Specify the following options, and then click OK:
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Type a name for the preset. You cannot change the name of either of the two built-in presets: [No Trap Preset]
Name
and [Default].
Type values to specify the amount of overlap for inks.
Trap Width
Specify options for controlling the shape of the traps.
Trap Appearance
Specify settings that determine how to trap imported bitmap images.
Images
Type values to specify the conditions under which trapping occurs. Many variables affect the values
Trap Thresholds
you'll need to enter here. For more information, consult with your print service provider, and see the other trapping
topics.
ADOBE ACROBAT 3D VERSION 8
User Guide
463
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