this post was submitted on 20 Jul 2023
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There's a reason for that. It's so your printer can still print the secret tracking dots on every printout.
Uhh.. wut
https://en.wikipedia.org/wiki/Machine_Identification_Code
Edit: don't use a common ordinary printer when doing naughty things.
Fascinating. It's only for laser printers, but the real interesting bit is that they did it for 20 years before it was public knowledge.