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ESC/P, short for Epson Standard Code for Printers and sometimes styled Escape/P, is a printer control language developed by Epson to control computer printers. It was mainly used in Epson's dot matrix printers , beginning with the MX-80 in 1980, as well as some of the company's inkjet printers .
A printing protocol is a protocol for communication between client devices (computers, mobile phones, tablets, etc.) and printers (or print servers).It allows clients to submit one or more print jobs to the printer or print server, and perform tasks such as querying the status of a printer, obtaining the status of print jobs, or cancelling individual print jobs.
The Epson name was coined by joining the initials EP (Electronic Printer) and the word son, making "Epson" mean "Electronic Printer's Son". [9] In April of the same year, Epson America Inc. was established to sell printers for Shinshu Seiki Co. Epson HX-20
Printer Command Language, more commonly referred to as PCL, is a page description language (PDL) developed by Hewlett-Packard as a printer protocol and has become a de facto industry standard. Originally developed for early inkjet printers in 1984, PCL has been released in varying levels for thermal , matrix , and page printers.
An overlapping term is printer control language, which includes Hewlett-Packard's Printer Command Language (PCL). PostScript is one of the most noted page description languages. The markup language adaptation of the PDL is the page description markup language.
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 printer.
Printer Job Language (PJL) is a method developed by Hewlett-Packard for switching printer languages at the job level, and for status readback between the printer and the host computer. PJL adds job level controls, such as printer language switching, job separation, environment, status readback, device attendance and file system commands.
Epson's EcoTank printers offer a refillable ink tank system, which can potentially lower the cost per page compared to traditional ink cartridges, with a higher cost-of-entry. [12] This operates similar to continuous ink system printers, including notifying the user's PC to ensure the tanks do not run dry, which can damage the print head. [13 ...