• veni_vedi_veni@lemmy.world
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    21 hours ago

    I read printers use that ink to print nigh invisible text of the printer serial id for anti forgery, and tracking purposes

    • brbposting@sh.itjust.works
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      20 hours ago

      That’s why I only email photos of bank notes from my personal Gmail to the library printer & drive past two hundred Flock Safety cameras in my Tesla using Waze turn-by-turn to pick up the printouts