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Boosted by cstanhope@social.coop ("Your friendly 'net denizen"):
mhoye wrote:
In case this is useful to somebody:
Because of corporate collusion with law enforcement dating back to the 80s, all colour printers put tracking information on their printouts, whether you're printing a colour document or not, encoding information that ties printouts back to the specific printer used.
https://en.wikipedia.org/wiki/Printer%5Ftracking%5Fdots
In 2018, scholars at TU Dresden created a tool to re-anonymize color-printed documents by obscuring that data:
https://dl.acm.org/doi/10.1145/3206004.3206019
The tool: https://github.com/dfd-tud/deda