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Last Updated May 24, 2021 7:41 am

(doo pleks-er) (n.)A component of a printer that allows for both sides of a page to be printed at the same time. The duplexer typically comes as an add-on accessory to a printer and attaches to the printer to allow for double-sided simultaneous printing.

A printer with a duplexer installed often is referred to as a duplex printer.