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Yellow dots on white paper, produced by color laser printer (enlarged, dot diameter about 0.1 mm) 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 photocopiers produce on every printed page that identifies the specific device that was ...
Lexmark had introduced various authentication mechanisms into their printers that rejected third-party cartridges and resisted any attempt to refill spent ones. ACRA, a consumer group representing manufacturers of third-party authentication microchips and third-party ink and toner cartridges, had challenged this policy as deceptive and ...
suffixes:a: auto feed - d: duplex print e: eSF support (embedded apps) n: network (letter omitted when 'e' is present) h: hard disk drive (omitted in series where 100% of models include it) t: extra paper tray f: staple finisher p: staple and hole punch finisher x: high-capacity paper tray m: mailbox s: offset stacker w: wireless
Color printers usually have a higher cost per page than monochrome printers, even if printing monochrome-only pages. Liquid electrophotography (LEP) is a similar process used in HP Indigo presses that uses electrostatically charged ink instead of toner, and using a heated transfer roller instead of a fuser, that melts the charged ink particles ...
Some tank-on-carriage printers such as Epson use a fold-over clamping system over the tank to secure it in place on the print carriage. This clamp blocks the path of tubing from a continuous flow system feeding the tanks, and the print carriage may need to be modified by removing the clamp, cutting holes in the clamp, or installing a retrofit ...
Lexmark is a large manufacturer of laser and inkjet printers, [4] and Static Control Components (SCC) is a company that makes "a wide range of technology products, including microchips that it sells to third-party companies for use in remanufactured toner cartridges."
Canon print cartridges for the Pixma MP 480 will not work in printers of that type with a different region code either (even when listed on the packaging of the Canon printer cartridges in question). Epson ink cartridges are also use region-coded. Xerox also uses region codes. Their printers are shipped with neutral "factory" ink sticks with no ...
The daisy wheel concept first emerged in printers developed by Diablo Systems in the 1970s. The first electronic daisywheel typewriter marketed in the world (in 1976) is the Olivetti Tes 501, and subsequently in 1978, the Olivetti ET101 (with function display) and Olivetti TES 401 (with text display and floppy disk for memory storage).