PURPOSE: An image forming apparatus is provided to install the image forming apparatus on a desk. CONSTITUTION: A second body is installed on the opening part of a first body within the same width of the first body. A laser scanning unit(240) is arranged on the second body. Other image forming units except for the laser scanning unit is arranged in the first body. The image forming units form C-shaped paper path. A first power supply unit(300) and a second power supply unit(400) are arranged in the bottom surface of the first body. A control panel(500) is arranged on one side wall of the first body.