Fix hairlines – Adobe Acrobat XI User Manual
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Print production tools (Acrobat Pro)
Last updated 1/14/2015
You can switch between boxes without losing the margins you set for each. As you adjust individual boxes, the preview
in the Set Page Boxes dialog box is redrawn to reflect the new settings. For example, if you expand the crop or media
box, the page content “shrinks” in the preview.
Note: When the crop box is expanded, the media box adjusts accordingly.
Open the Set Page Boxes dialog box
Choose Tools > Print Production >Set Page Boxes.
Fix hairlines
Very thin lines, called hairlines, are problematic in offset printing. If left as is in PDFs, they might not appear in the final
printed piece. The Fix Hairlines tool can find most hairlines and replace them with a heavier-weight line.
Choose Tools > Print Production > Fix Hairlines.
1
Enter a width for the hairline you want to find, and enter a replacement width.