PC LOAD LETTER
PC LOAD LETTER is a printer error message that has entered popular culture as a technology meme referring to a confusing or inappropriate error message. The error message's vagueness was mocked in the 1999 comedy film Office Space.
The message is encountered when printing on older HP LaserJet printers such as the LaserJet II, III, and 4 series. It means that the printer is trying to print a document that needs "Letter size" (8½ × 11 in.) paper when no such paper is available.
"PC" is an abbreviation for "paper cassette", the tray which holds blank paper for the printer to use. These two-character codes are a legacy feature carried over from the first LaserJet printers, which could only use a two-character display for all printer status and error messages. "LOAD" is an instruction to refill the paper tray. "LETTER" is the standard paper size used in the United States and Canada. Thus, the error is instructing the user to refill the paper tray with letter-sized paper. Other messages that might be seen include "MP LOAD LEGAL", meaning the "MP" (multi-purpose) tray needs to be filled with legal size (8½ × 14 in.) paper, or "ME FEED MONARCH", indicating that the Manual Envelope Feeder needs a Monarch-size envelope.
In some cases, users confuse "PC" with a "personal computer", and "LETTER" with a short document. Outside the United States and Canada, most paper is A4 size, yet software written in the United States uses "Letter" as the default format, so the confusing message may sometimes be encountered by users who may not know that "LETTER" is a paper size at all, and may not have any such paper.
The error can be fixed (other than by filling the paper tray) by emptying the print queue and printer buffer or pressing "Shift+Continue" and, in extreme cases, restarting the printer and repeating. The LaserJet 5 introduced a "GO" button to override the warning message.
The LaserJet 5, 4000, and later models added number labels on paper trays and displayed a new message, "TRAY [x] LOAD PLAIN [paper size]" where [x] is the tray number.
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