A media actuated, media diverter mounted on a guide member positioned between the output of a simplex path and the entrance of a duplex path in an imaging device. The media diverter comprises a first plate, a biasing member for biasing the first plate in a first position where the first plate extends into the duplex path, and a second plate having a media guiding surface and a center of gravity biasing the second plate in a first position where the media guiding surface extends into the simplex path. First plate and second plate are movable in a slot through the guide member. With the first plate in its first position, the second plate remains movable between from its first and second positions. A media sheet fed into the duplex path moves first plate to its second position blocking movement of the second plate from its first position.