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The first documented fire-starting printer was a Stromberg-Carlson 5000 xerographic printer (similar to a modern laser printer, but with a CRT as the light source instead of a laser), installed around 1959 at the Lawrence Livermore National Laboratory and modified with an extended fusing oven to achieve a print speed of one page per second. In ...
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.
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. [1] Early LaserJet models used a two-character display for all status messages.
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. "PJL ...
HP has failed to shunt aside class-action legal claims that it disables the scanners on its multifunction printers when their ink runs low. On Aug. 10, a federal judge ruled that HP Inc. must face ...
HP-GL, short for Hewlett-Packard Graphics Language and often written as HPGL, is a printer control language created by Hewlett-Packard (HP). HP-GL was the primary printer control language used by HP plotters. [1] It was introduced with the plotter HP-9872 in 1977 and became a standard for almost all plotters.
In the Jackie Blennis v. HP class action suit, it was claimed that Hewlett-Packard designed certain inkjet printers and cartridges to shut down on an undisclosed expiration date, and at this point customers were prevented from using the ink that remained in the expired cartridge. HP denied these claims, but agreed to discontinue the use of ...
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.