Patent ID: 7969614

Claim:
An image forming apparatus, comprising: an image output unit outputting a color image and a monochrome image; an accepting part accepting an image data; a processor performing RIP convert on the image data accepted by said accepting part, to provide data for output image; a first determining unit determining whether said data for output image corresponds to a color image or a monochrome image; a feature extracting unit extracting feature of said data for output image; a reference storage storing a determination reference related to said feature, as to whether a color image is to be output by said image output unit; a second determining unit determining, if it is determined by said first determining unit that said data for output image corresponds to a color image, whether said feature satisfies the determination reference related to said feature; and an output controller controlling said image output unit such that a color image corresponding to said data for output image is output, on condition that said second determining unit determines that the determination reference related to said feature is satisfied.