Could you print counterfeit money, certificates, or other official documents on a color laser or LED printer? Some current printer models are indeed capable of creating reasonable facsimiles. The authorities, however, have already taken steps to thwart such activity. Print any nontext image on your printer, and take a very close look at it under bright light: You might just be able to make out a subtle pattern of yellow dots covering the page. Those dots are a microscopic code that mmoney government agencies to trace the page back to the printer that created it—making the person who pressed the Print button pretty easy to. How is the code printed, monet what data does it contain? That’s secret, of course—printer color printer making money remain tight-lipped about the details. Inthe Electronic Frontier Foundation cracked the anticounterfeiting code on a Xerox color laser printer; the documents the EFF examined were date- and time-stamped, and could be traced to the location of the printer. Digging further inthe EFF used the Freedom of Information Act to obtain hundreds of pages of documents on the use of printer-tracing technology from the U.
