duplicator

noun duplicator

• copier — A copier is a machine which makes exact copies of writing or pictures on paper, usually by a photographic process.
• copying machine — a machine that makes copies of original documents, especially by xerography.
• photocopier — any electrically operated machine using a photographic method, as the electrostatic process, for making instant copies of written, drawn, or printed material.
• xerox — (sometimes lowercase) a copy made on a xerographic copying machine.
• mimeograph — a printing machine with an ink-fed drum, around which a cut waxed stencil is placed and which rotates as successive sheets of paper are fed into it.