Virtually all color laser printers and copiers.

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

It was about money anti-counterfeiting.

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

There is always a legit reason. It’s just never the only reason.

Are they still doing the EURion constellation, too? You can embed that in anything.