• Ecoleo [he/him]
    ·
    2 years ago

    It's because printers print tiny watermarks on every page so the FBI/Secret Service/all the three-letter agencies can track the page back to you if need be.

    https://en.m.wikipedia.org/wiki/Machine_Identification_Code

      • cawsby [he/him]
        ·
        edit-2
        2 years ago

        You can buy some color printers from before 2005 that don't have them.

        Black and white printers don't have them.

        There is a tool but it hasn't been updated since 2018.

        https://tu-dresden.de/ing/informatik/sya/ps/die-professur/news/geheime-daten-auf-dem-druckpapier-diplominformatiker-der-tu-dresden-entwickeln-verfahren-gegen-druckerueberwachung?set_language=en