Someone is sending raw print commands to open network printers on port 9001 which inform people about reddit.com/r/antiwork (via https://twitter.com/4b4c41/status/1465506217778941955)

Reminds me of this crap weev pulled a couple of years back sending nazi propaganda to open printers on universities etc (https://www.vice.com/en/article/gv5ykw/hacker-weev-made-thousands-of-internet-connected-printers-spit-out-racist-flyers)

The medium isn't the message, the message is the message.