Patent ID: 6907206

Claim:
An image forming apparatus comprising: first and second side frames as a pair of left and right frames extending in a substantially vertical direction; an image forming unit disposed between the first and second side frames for developing an electrostatic latent image formed on an electrostatic latent image support, transferring the latent image to a recording medium, and forming an image on the recording medium; an exposure unit disposed above the image forming unit for exposing the electrostatic latent image support to light for forming an electrostatic latent image; a main control board placed substantially vertically on the side of the first side frame for outputting a light exposure signal to the exposure unit in accordance with image data and outputting control signals to the image forming unit and the exposure unit; a power board placed substantially horizontally below the image forming unit on the side of the second side frame; and an engine control board placed substantially horizontally below the image forming unit for outputting a drive signal to drive sources of the image forming unit and the exposure unit in accordance with a control signal from the main control board, the engine control board placed closer to the first side frame than the power board.