My printer has been mistaking the Letter setting as A4 for *years* now. Having a contract to send back for a prospective sub-contract lead me to investigate why.
I did not find my answer as to why all the GUI apps were sending the wrong option to CUPS.
What I did find was the `lp` command.
`lp -o media=Letter -d SOME_PRINTER <document>`
My page is formatted properly. Simplicity folks! 👏
You should just get a european computer and printer, ours, for some reason, always wants to print letter 🙃
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