'Reprinting print jobs using Wireshark

I wanted to tamper with my printer by using Wireshark so after following videos relating to capturing print jobs, I decided I wanted to try to recreate it, for some reason the output of the TCP stream is unreadable so my question is it in an unreadable format or is it encrypted.

https://imgur.com/tMvW9sO < here is the link to part of the TCP stream



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