Paper Transparency - ScanSoft OMNIPAGE DIRECT 2 FOR WINDOWS Installation Manual

Improving Accuracy

Paper Transparency

Some paper is thin enough that the scanner sees text printed on the
opposite side of the scanned page. This is often the case with telephone-
book pages. To correct this problem, put a black piece of paper behind the
page between the page and the lid of the scanner.
38 How to Improve Performance