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The status character changed on the 1510/1520 to return more information. Bit 0 now indicated if the print buffer was empty, and 1 whether or not the printer was in online mode (echoing everything from the host). Bits 2 and 3 now encoded the format mode, 00 was off, 01 was batch, 10 for page, and 11 for line. [11]
In computer science, a data buffer (or just buffer) is a region of memory used to store data temporarily while it is being moved from one place to another. Typically, the data is stored in a buffer as it is retrieved from an input device (such as a microphone) or just before it is sent to an output device (such as speakers); however, a buffer may be used when data is moved between processes ...
Nowadays, the most common use of spooling is printing: documents formatted for printing are stored in a queue at the speed of the computer, then retrieved and printed at the speed of the printer. Multiple processes can write documents to the spool without waiting, and can then perform other tasks, while the "spooler" process operates the ...
Enable buffer overflow protection: If buffer overflow activity is detected, it is blocked and you are alerted. 7. Click one of the following options: All files (recommended): Every file type that your computer uses is scanned. Use this option to get a thorough scan. Program files and documents only: Only program files and documents are scanned. 8.
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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. [3] Early LaserJet models used a two-character display for all status messages.
3270 displays and printers have a buffer containing one byte for every screen position. For example, a 3277 model 2 featured a screen size of 24 rows of 80 columns for a buffer size of 1920 bytes. Bytes are addressed from zero to the screen size minus one, in this example 1919.