Adobe INDESIGN 2.0 - USING HELP Help Manual page 331

Adobe InDesign Help
Using Help | Contents
Working with specialty inks or varnishes
Using certain inks involves special trapping considerations. For example, if you are using a
varnish on your document, you don't want the varnish to affect trapping. However, if
you're overprinting certain areas with a completely opaque ink, there is no need to create
traps for items underneath. Ink options are available for these situations. It's usually best
not to change the default settings, unless your prepress service provider recommends
changing them.
To customize trapping with specialty inks:
1 Open the Ink Manager and select an ink that requires special treatment. For information
about how to display the Ink Manager, see
2 For Type, choose one of the following options, and then click OK:
Choose Normal for traditional process inks and most spot inks.
•
Choose Transparent for clear inks to ensure that underlying items trap. Use this option
•
for varnishes and dieline inks.
Choose Opaque for heavy, nontransparent inks to prevent trapping of underlying
•
colors but allow for trapping along the ink's edges. Use this option for metallic inks.
Choose OpaqueIgnore for heavy, nontransparent inks to prevent trapping of under-
•
lying colors and to prevent trapping along the ink's edges. Use this option for those
inks, such as metallics and varnishes, that have undesirable interactions with other inks.
Specifying trapping sequence
You can adjust the trapping sequence (also called the trapping order). The trapping
sequence matches the order in which inks are printed at the press, but it does not match
the order in which separations are produced at the output device.
The trapping sequence is particularly important when you're printing with multiple
opaque colors, such as metallic inks. Opaque inks with lower sequence numbers are
spread under opaque inks with higher sequence numbers. This prevents the last applied
ink from being spread, and still creates good traps.
Note: Do not alter the default trapping sequence without first consulting with your
prepress service provider.
To adjust the trapping sequence:
1 Open the Ink Manager. The current trapping sequence is displayed in the Sequence
column of the inks list. To display the Ink Manager, see
page 317.
2 Select an ink, type a new value for Trapping Sequence, and then press Tab. The
sequence number of the selected ink is changed, and the other sequence numbers are
changed accordingly.
3 Repeat the previous step for as many inks as necessary, and then click OK.
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Trapping Color
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