Color trapping by overprinting selected objects

You can set specific objects to overprint before you open the Print dialog box. You can overprint each object's fill, outline, or both.

The Overprint Fill option causes obscured portions of objects to print when they are under the overprinted object's fill. The Overprint Outline option causes obscured portions of objects to print when they are under the overprinted object's outline. When setting the outline thickness, keep in mind that the outline straddles the path that defines the object's shape. Therefore, an outline of 0.30 points creates a trap of 0.15 points.

You can also choose to preserve overprint settings in a document. If you have deliberately set overprints in a document, you can enable the Preserve Overprints check box to ensure that the service bureau or print shop does not alter overprint settings. You can also choose to preserve overprint settings if you do not want to trap objects in a document.

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