Patent ID: 8737046

Claim:
An image forming apparatus comprising a body frame and an image reading unit mounted to the body frame, the image forming apparatus further comprising: a first mounting member provided at one side of the body frame, to which one side of the image reading unit is mounted; a second mounting member provided at the other side of the body frame, to which the other side of the image reading unit is mounted; a plurality of fixed supporting portions to support the image reading unit in a stationary manner, the fixed supporting portions include first fixed supporting portions arranged on an upper surface of the first mounting member and second fixed supporting portion fixed to a lateral surface of the second mounting member; an unfixed supporting member coupled to the second mounting member in a vertically movable manner to moveably support one side of the image reading unit in a vertical direction; and an elastic member to elastically support the unfixed supporting member in the vertical direction, wherein the unfixed supporting member includes at least one unfixed supporting portion extending laterally from the unfixed supporting member to support a lower surface of the image reading unit and a retention piece extending from the unfixed supporting member and adapted to penetrate through a retention hole formed in the body frame.