a self - feeding feeder for use with printers having rotatably driven friction feed rollers . the feeder includes mounting plates conforming to the shape of the printer print station for removably mounting the feeder . a gear is attached to the friction feed rollers and supplies rotary motion to a pair of drive rollers via an intermediate drive train . a pair of spring loaded guides having integral sides formed therein urge individual cut sheets of media out of an input media support tray and into the printer . the drive mechanism includes a pin and key drive assembly to maintain media spacing . deflector means and an output tray are provided which automatically collect and collate the sheets of media emerging from the printer .