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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 ...
This was the first HP contract with a Russian software company. 1995 - The contract with the Japanese corporation Epson on supplying their scanners with the CuneiForm OCR. [3] The OEM contract was signed with the world's largest manufacturer of fax machines, laser printers, scanners and other office equipment - Brother Corporation.
Video of the process of scanning and real-time optical character recognition (OCR) with a portable scanner. Optical character recognition or optical character reader (OCR) is the electronic or mechanical conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene photo (for example the text on signs and ...
Laser head from HP LaserJet 5L printer. Most HP LaserJet printers employ xerographic laser-marking engines sourced from the Japanese company Canon.Due to a tight turnaround schedule on the first LaserJet, HP elected to use the controller already developed by Canon for the CX engine in the first LaserJet. [6]
Many MFP types, regardless of the category they fall into, also come in a "printer only" variety, which is the same model without the scanner unit included. This can even occur with devices where the scanner unit physically appears highly integrated into the product. As of 2013, almost all printer manufacturers offer multifunction printers ...
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 ...
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 ...
Inkjet printing originated in the late 1950s, but was not marketed and sold until the 1980s. The four OEMs that account for the lion's share of inkjet printer sales are Canon, Hewlett-Packard (HP), Epson, and Lexmark. [13] HP led the way, releasing the first HP Deskjet inkjet printer, priced at $1000 in 1988. [citation needed]