US Patent 7979618 Image forming apparatus and control method thereof

An image forming apparatus and a control method thereof. The image forming apparatus includes a plurality of image processors which process an image to be formed on a printing medium corresponding to a plurality of colors, a processor which executes an interrupt routine with respect to the plurality of image processors, and a controller which generates an interrupt signal and transmits the interrupt signal to the processor if at least two of the plurality of image processors generate interrupt requests so that the processor executes the interrupt routine.