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It held that Lexmark's authentication sequence did not "control access" to the program; rather, the purchase of the printer itself allowed access to the program: Anyone who buys a Lexmark printer may read the literal code of the Printer Engine Program directly from the printer memory, with or without the benefit of the authentication sequence ...
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 decision holds that Lexmark can enforce the "single use only" policy written on the side of Lexmark printer cartridge boxes sold to large customers at a discount, with the understanding that the customers will return the cartridges to Lexmark after using them (so that the cartridges would not be diverted, refilled, and then resold), or else ...
[58]: 38 The information represented in a column by a combination of zones [12, 11, 0] and digits [0–9] is dependent on the use of that column. For example, the combination "12-1" is the letter "A" in an alphabetic column, a plus signed digit "1" in a signed numeric column, or an unsigned digit "1" in a column where the "12" has some other use.
Impression Products, Inc. v. Lexmark International, Inc., 581 U.S. ___ (2017), is a decision of the Supreme Court of the United States on the exhaustion doctrine in patent law in which the Court held that after the sale of a patented item, the patent holder cannot sue for patent infringement relating to further use of that item, even when in violation of a contract with a customer or imported ...
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.
The two-tone buzz produced by 60-character-per-second catch-up printing followed by 30-character-per-second ordinary printing was a distinctive feature of the LA36, quickly copied by many other manufacturers well into the 1990s. Most efficient dot matrix printers used this buffering technique.
Daisy wheel printing is an impact printing technology invented in 1970 by Andrew Gabor [1] at Diablo Data Systems. It uses interchangeable pre-formed type elements, each with typically 96 glyphs , to generate high-quality output comparable to premium typewriters such as the IBM Selectric , but two to three times faster.