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Office Space club represent
(imgflip.com)
Star Trek memes and shitposts
Come on'n get your jamaharon on! There are no real rules—just don't break the weather control network.
Close, but not quite. PC stands for paper cassette, e.g. the tray you load the paper into. You're right about it referring to the paper size, though. PC LOAD LETTER just means "Put more letter-size paper into the tray."