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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 ...
The Xerox Phaser 7700 Series of color laser printers use the VxWorks Operating System on its 20GB PATA IDE Hard Drive. The 7700 Series is a wide format duplex-capable laser printer capable of printing up to 12x18 page sizes. The average 8.5x11 Letter size speed is 23 pages per minute. ()
The laser printer was invented at Xerox PARC in the 1970s. Laser printers were introduced for the office and then home markets in subsequent years by IBM, Canon, Xerox, Apple, Hewlett-Packard and many others. Over the decades, quality and speed have increased as prices have decreased, and the once cutting-edge printing devices are now ubiquitous.
A Xerox digital photocopier in 2010. A photocopier (also called copier or copy machine, and formerly Xerox machine, the generic trademark) is a machine that makes copies of documents and other visual images onto paper or plastic film quickly and cheaply.
Xerox management was afraid the product version of Starkweather's invention, which became the 9700, would negatively impact their copier business so the innovation sat in limbo until IBM launched the 3800 laser printer in 1976. The first commercial non-impact printer was the Xerox 1200, introduced in 1973, [77] based on the 3600 copier. It had ...
Printers like the Xerox Phaser 8400 use 1 cubic inch (16 cm 3) rectangular solid-state ink blocks (similar in consistency to candle wax), which are loaded into a system similar to a stapler magazine in the top of the printer. The ink blocks are melted, and the ink is transferred onto a rotating oil-coated print drum using a piezo inkjet head.
Its products include printers, multifunction printers, desktop computers, consumer and industrial sewing machines, large machine tools, label printers, typewriters, fax machines, and other computer-related electronics. [2] [3] Brother distributes its products both under its own name and under OEM agreements with other companies.
Printer steganography is a type of steganography – "hiding data within data" [30] – produced by color printers, including Brother, Canon, Dell, Epson, HP, IBM, Konica Minolta, Kyocera, Lanier, Lexmark, Ricoh, Toshiba and Xerox [31] brand color laser printers, where tiny yellow dots are added to each page. The dots are barely visible and ...