It means it's out of paper.
PC LOAD LETTER = paper cassette (is empty,) load letter (size paper)
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Come on'n get your jamaharon on! There are no real rules—just don't break the weather control network.
It means it's out of paper.
PC LOAD LETTER = paper cassette (is empty,) load letter (size paper)
Printer ~~is in PC mode and~~ expects commonly available paper sheets of the less convenient size system. Not a very understandable way to say this on a 16x1 display, I would prefer alternating messages like
Ready: USB / LAN
Tray 2 out of A4 (or: Tray2 low on LTR)
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."