this post was submitted on 14 Oct 2025
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[–] MonkeMischief@lemmy.today 36 points 3 days ago (1 children)
[–] veni_vedi_veni@lemmy.world 12 points 3 days ago (1 children)

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 12 points 3 days ago* (last edited 3 days 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