Duplicators are devices that are used to produce multiple copies of a document or image. There are various synonyms for this word, ranging from technical terms like "reprography machines" to simpler names like "xerox machines". Other popular synonyms for duplicators include "photocopiers", "multipurpose copiers", "document scanners", and "fax machines". Some duplicators are specialized for specific tasks such as "large format printers" and "book copiers". In recent years, digital technology has enabled the emergence of "digital duplicators" which use digital images to produce multiple copies. Overall, there are many different synonyms for duplicators, depending on the context and purpose for which they are used.