OP was in high school ~8 years ago, printers capable of doing both sides automatically were definitely commonly available in 2016 for well under four grand.
Plus it could've been a school printer in any case.
Plus it could've been a school printer in any case.
Yeah, this was 2015-2016. Yes, the school printer and my home printer supported it, I was just forgetful and a bit of a smartass :)