Patent ID: 8447205

Claim:
An image forming apparatus, comprising: a printing engine to form an image on a printing medium through printing processes; an engine frame to support the printing engine and having a front surface that faces the printing engine, an opposing rear surface, and opposing first and second side surfaces that extend between the front and rear surfaces and are substantially perpendicular to a movement of the printing medium during an entirety of the printing processes; a high voltage power supply disposed on the first side surface of the engine frame and contacting the printing engine, to apply a high voltage to the printing engine when in contact therewith, the high voltage power supply comprising a first main connector and substantially planar supply electrodes that contact each of plural units for respectively performing the printing process; a main board disposed on the rear surface of the engine frame and comprising a system engine controller to control the printing engine a video controller to control a video signal, and a second main connector; and a connection control line to connect the first and second main connectors.