Konica Minolta 165en Copy/Print/Scan

A document copier that scans a page (see scanner), converts it to a digital image, and then prints it by means of a page printer. See also intelligent copier. A Dictionary of Computing. "digital copier ."Photocopying is the process by which light is used to make copies of book pages and other paper documents. Today the most widely used form of photocopying is xerography ("dry writing"), invented by New York patent attorney Chester Carlson. Photocopiers work on the principle that 'opposites attract'. Toner is a powder that is used to create the printed text and images on paper. The powder is negatively charged, and so it is attracted to something positive – the paper.