Tonernews.com, December 10, 2003. USA
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Ricoh copier blocks illicit copying of confidential documents Ricoh Co said Tuesday it Has developed a printer- photocopier capable of automatically blocking unauthorized duplication of classified documents. When a user of the new machine prints out classified documents from a personal computer on which they were drawn up, it imprints masked dotted patterns that are dimly visible on the surface of the printed-out papers, the company said.
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