Xerox has said that it will introduce a new, inexpensive printing technology to help thwart counterfeiters by making it invisible to naked eyes.
The new technology lets customers to print with variable text visible only under infrared light. The technology could be used to authenticate tickets, coupons, certificates, license and other identification papers that have been profitable to forge, Xerox said.
Xerox said, each of the four colour toners the company uses — cyan, magenta, yellow and black — react differently to infrared light, the company was able to come up with a combination only detectable under infrared.