Every desktop printer leaves invisible signature on every printed document

Posted on Monday, October 25 2004 @ 18:23 CEST by Thomas De Maesschalck

US scientists have discovered that every desktop printer has a signature style that it invisibly leaves on all the documents it produces.

They have now found a way to use this to identify individual laser printers.

The work will help track down printers used to make bogus bank notes, fake passports and other important papers.

Read more at BBC

About the Author

Thomas De Maesschalck

Thomas has been messing with computer since early childhood and firmly believes the Internet is the best thing since sliced bread. Enjoys playing with new tech, is fascinated by science, and passionate about financial markets. When not behind a computer, he can be found with running shoes on or lifting heavy weights in the weight room.

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