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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.
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 ...
It was claimed that a roller copier could make a half dozen copies of a typewritten letter if the letter was run through the copier several times. It could make a dozen copies if the letter was written with a pen and good copying ink. The Process Letter Machine Co. of Muncie, Indiana, offered the New Rotary Copying Press, a loose-leaf copier ...
An All-in-one is a small desktop unit, designed for home or home-office use. These devices focus on scan and print functionality for home use, and may come with bundled software for organising photos, simple OCR and other uses of interest to a home user. An All-in-one will always include the basic functions of Print and Sca
IBM Copier I. On April 21, 1970, IBM announced their first copier simply called the IBM Copier. Its IBM Machine type/Model is 6800–001. When the IBM Copier II was released, IBM renamed the IBM Copier to the IBM Copier I. [21] In terms of competition, while the Copier I was faster than the Xerox 914 (which ran at 7 copies per minute) [22] it was reported as competing with the desktop Xerox ...
Katana is the name given to a Ricoh photocopier. It is a high volume machine that is able to copy at speeds of up to 135 pages per minute, while the slowest Katana copier can copy at 90 copies per minute. It is a black and white machine but has a color scanner fitted to it. [1] It can be used as both a photocopier and printer at the same time.
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The most common type of examination involves handwriting wherein the examiner tries to address concerns about potential authorship. A document examiner is often asked to determine if a questioned item originated from the same source as the known item(s), then present their opinion on the matter in court as an expert witness.