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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.
An original sheet is exposed to the before said heat source in conjunction with future copy paper generating a copy on its specially treated surface. Is a kind of photocopy based on the effect of heat - When the black parts of the heat-sensitive paper generate some type of chemical reaction. [1] The heat lamp makes indirect revealing.
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.
Toshiba has had a range of products and services, including air conditioners, [118] consumer electronics (including televisions and DVD and Blu-ray players), [119] control systems (including air-traffic control systems, railway systems, security systems and traffic control systems), [120] electronic point of sale equipment, [121] elevators and ...
Duplicating machines were the predecessors of modern document-reproduction technology. They have now been replaced by digital duplicators, scanners , laser printers , and photocopiers , but for many years they were the primary means of reproducing documents for limited-run distribution.
Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics (and moderate-quality photographs) by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image. [1]
The photographic prints produced by such machines are commonly referred to as "photostats" or "photostatic copies". The verbs "photostat", "photostatted", and "photostatting" refer to making copies on such a machine in the same way that the trademarked name "Xerox" was later used to refer to any copy made by means of electrostatic photocopying ...
Security printing is the field of the printing industry that deals with the printing of items such as banknotes, cheques, passports, tamper-evident labels, security tapes, product authentication, stock certificates, postage stamps, and identity cards.