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Page description language. In digital printing, a page description language ( PDL) is a computer language that describes the appearance of a printed page in a higher level than an actual output bitmap (or generally raster graphics ). An overlapping term is printer control language, which includes Hewlett-Packard's Printer Command Language (PCL).
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.
Printer driver. In computers, a printer driver or a print processor is a piece of software on a computer that converts the data to be printed to a format that a printer can understand. The purpose of printer drivers is to allow applications to do printing without being aware of the technical details of each printer model.
Printer's key. A copyright page with the printer's key underlined. This version of the book is the eighteenth printing. The printer's key, also known as the number line, is a line of text printed on a book's copyright page (often the verso of the title page, especially in English-language publishing) used to indicate the print run of the ...
Printer tracking dots. Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code ( MIC ), is a digital watermark which many color laser printers and copiers produce on every printed page that identifies the specific device that was used to print the document.
HP Universal Print Driver (UPD) is an intelligent print driver that supports a broad range of HP print devices, such as LaserJet and various MFPs. Developed by Hewlett-Packard, HP UPD combines a general purpose driver ( XPSDrv, UniDrv, or PSCRIPT ), print control, and HP proprietary extensions. The HP UPD simplifies driver deployment and ...
Dot matrix printers are a type of impact printer that prints using a fixed number of pins or wires [2] [3] and typically use a print head that moves back and forth or in an up-and-down motion on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper. They were also known as serial dot matrix printers. [4]
AnyDesk is a remote desktop application distributed by AnyDesk Software GmbH. The proprietary software program provides platform-independent remote access to personal computers and other devices running the host application. [ 8] It offers remote control, file transfer, and VPN functionality. AnyDesk is often used in technical support scams and ...