An image forming apparatus comprising: a main body; a developing unit arranged to receive developer; a drawer movably installed at the main body, the drawer comprising a tray arranged to support the developing unit and a cover coupled with the tray to define one surface of the main body, the cover having a first operation section arranged to move the cover relative to the tray and a second operation section arranged to move the cover together with the tray; an interlocking member arranged to be moved along with the drawer in the first operation section of the cover; and a lift member arranged to be vertically moved in response to movement of the interlocking member, wherein: the developing unit comprises an information storage module arranged to store information of the developing unit, and a first connection terminal provided at one side of the developing unit to transfer the information of the information storage module to an outside of the developing unit; the lift member comprises a second connection terminal arranged at one side of the lift member corresponding to the side of the developing unit provided with the first connection terminal, arranged to be vertically moved along with the lift member; and the tray comprises a third connection terminal arranged at one side of the tray corresponding to the side of the developing unit provided with the first connection terminal, the third connection terminal arranged to connect to the first connection terminal of the developing unit received in the tray and arranged to connect to the second connection terminal in response to the position of the second connection terminal so as to indirectly connect the first and second connection terminals. a main body; a developing unit arranged to receive developer; a drawer movably installed at the main body, the drawer comprising a tray arranged to support the developing unit and a cover coupled with the tray to define one surface of the main body, the cover having a first operation section arranged to move the cover relative to the tray and a second operation section arranged to move the cover together with the tray; an interlocking member arranged to be moved along with the drawer in the first operation section of the cover; and a lift member arranged to be vertically moved in response to movement of the interlocking member, wherein: the developing unit comprises an information storage module arranged to store information of the developing unit, and a first connection terminal provided at one side of the developing unit to transfer the information of the information storage module to an outside of the developing unit; the lift member comprises a second connection terminal arranged at one side of the lift member corresponding to the side of the developing unit provided with the first connection terminal, arranged to be vertically moved along with the lift member; and the tray comprises a third connection terminal arranged at one side of the tray corresponding to the side of the developing unit provided with the first connection terminal, the third connection terminal arranged to connect to the first connection terminal of the developing unit received in the tray and arranged to connect to the second connection terminal in response to the position of the second connection terminal so as to indirectly connect the first and second connection terminals. the developing unit comprises an information storage module arranged to store information of the developing unit, and a first connection terminal provided at one side of the developing unit to transfer the information of the information storage module to an outside of the developing unit; the lift member comprises a second connection terminal arranged at one side of the lift member corresponding to the side of the developing unit provided with the first connection terminal, arranged to be vertically moved along with the lift member; and the tray comprises a third connection terminal arranged at one side of the tray corresponding to the side of the developing unit provided with the first connection terminal, the third connection terminal arranged to connect to the first connection terminal of the developing unit received in the tray and arranged to connect to the second connection terminal in response to the position of the second connection terminal so as to indirectly connect the first and second connection terminals.