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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 used to print the document.
MICR characters are printed on documents in one of the two MICR fonts, using magnetizable (commonly known as magnetic) ink or toner, usually containing iron oxide. In scanning, the document is passed through a MICR reader, which performs two functions: magnetization of the ink, and detection of the characters.
The printers use a 40-micron nozzle that outputs more than 100,000 drops per second of ink. While these printers make microprinting faster and easier to produce digitally, they still have not reached the true sub-pixel size of less than 1 point. [11] The smallest scale microtext a laser printer can produce is 0.5 pt. [12]
Beginning in Spring 1993, Canon produced a series of notebooks with integrated inkjet printers called NoteJet. The initial price for the first-model NoteJet was U.S. $2,499. [11] The NoteJet lineup was eventually discontinued, and computers belonging to the series are valued by collectors. NoteJet 486; NoteJet 486 Model 2; NoteJet I; NoteJet II ...
Canon introduced their Inkjet printer using bubble-jet technology in 1985, one year after Hewlett-Packard. In 1987, Canon introduced their Canon Electro-Optical System (EOS), named after the goddess of the dawn, along with the Canon EOS 650 autofocus SLR camera. Also in 1987, the Canon Foundation was established.
Inkjet printing is a type of computer printing that recreates a digital image by propelling droplets of ink onto paper and plastic substrates. [1] Inkjet printers were the most commonly used type of printer in 2008, [2] and range from small inexpensive consumer models to expensive professional machines.
"Method for the determination of ink cartridge yield for colour inkjet printers and multi-function devices that contain printer components", International Organization for Standardization, Switzerland: ISO/IEC, 2006-12-15; International Organization for Standardization. (2006).
A ballpoint pen, also known as a biro [1] (British English), ball pen (Hong Kong, Indonesia, Pakistani, Indian and Philippine English), or dot pen [2] (Nepali English and South Asian English), is a pen that dispenses ink (usually in paste form) over a metal ball at its point, i.e., over a "ball point".