Patent ID: 8401458

Claim:
An image forming apparatus, comprising: a main body; a printing unit which is contained in the main body and performs printing for a printing medium; a storage unit which is installed on an upper part of the main body and stores the printing medium printed through the printing unit; and a reverse-feeding unit which reversely feeds the printed printing medium to the storage unit, the reverse-feeding unit comprising: a frame which forms a first feeding path along which a printing medium is fed and a second feeding path which is branched off from the first feeding path; a guide plate which rotates between a first position in which the printing medium fed along the first feeding path is supported and a second position in which the supported printing medium is directed towards the second feeding path; and a plate driving unit which comprises an actuator which actuates the guide plate, a driving source which drives the actuator, and an electronic clutch which selectively transmits a driving force of the driving source to the actuator and interlockingly rotates the actuator with non-gear structure.