Patent ID: 8038359

Claim:
An image forming apparatus comprising: an image forming apparatus body; a printing engine installed in the image forming apparatus body and used to print an image on a printing medium supplied to the printing engine; a printing medium supply device having a loading plate to load printing media thereon, and a frame to support the loading plate and a printing medium aligning unit to push a lateral portion of the printing media when the printing media is loaded on the loading plate to align the loaded printing media, the printing medium supply device being coupled to the image forming apparatus body to supply the printing media to the printing engine; and a pickup device to pick up the printing media loaded in the printing medium supply device one by one and to convey each picked-up printing medium to the printing engine, wherein the printing medium aligning unit comprises a first lever, and the first lever includes a first arm to be pushed by a first side portion of the loaded printing media, a second arm operatively connected to the first arm to push a second side portion of the loaded printing media in response to movement of the first arm, and a first hinge to rotatably support the first and second arms to operatively connect the first and second arms.