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kvuj • today at 5:47 PM • 3 replies • view on HN

You have no idea how deep this rabbit hole goes. Search for EFF printers secret tracking.

Virtually all commercial printers embed an invisible identifier on every page printed.

Replies

kube-system • today at 8:57 PM

Virtually all color laser printers and copiers.

imhoguy • today at 7:24 PM

Now I need to see if agentic reverse engineering of printer firmware can actually remove that "feature" for good.

esafak • today at 6:01 PM

It was about money anti-counterfeiting.

https://en.wikipedia.org/wiki/Printer_tracking_dots

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