Patent ID: 8717605

Claim:
An image forming apparatus, comprising: a power supply unit to convert alternating current (AC) power input to the image forming apparatus into direct current (DC) power; a high-voltage power unit to convert the converted DC power to a predetermined voltage; an image forming unit to form an image using the converted predetermined voltage; and a controller to control an operation of the image forming unit, wherein the power supply unit, the high-voltage power unit, and the controller are disposed on a single circuit board and coupled to one another without one or more wire harnesses, wherein a plurality of connectors are disposed on an upper side of the circuit board, wherein the connectors comprise an external communication connector which is connected with a print control terminal, and an AC power connector which receives the AC power, wherein the external communication connector is a universal serial bus (USB) connector, wherein a data line from the USB connector to the controller has a line width of at least 10 mils, and wherein a distance between a first data line and a second data line from among a plurality of data lines is more than 5 mils.