Add Yahoo as a preferred source to see more of our stories on Google. Have you ever encountered a common printer problem where your printer absolutely insists on having colored ink available, even if ...
Numerous brands of color laser printers leave coded metadata in barely perceptible yellow dots that can be used to trace a printed document to its source, a feature originally intended as a deterrent ...
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Why do some printers have secret tracking dots?
Have you ever encountered a common printer problem where your printer absolutely insists on having colored ink available, even if you're only printing in black and white? It's not because it's trying ...
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