Patent ID: 7945177

Claim:
An image forming apparatus, comprising: an image bearing member; an image forming means which forms images by using light toners and dark toners which have a same hue as that of the light toners and are darker than the light toners; and an executing portion which executes a first mode, in a case that a surface of a recording medium is rough, to form an image by using a predetermined condition between a ratio of dark toner quantity to light toner quantity and a density of input image data, wherein, in a case that the first mode is executed, a resolution for a density of pixels is set so that in a first area where the density of input image data is higher than a predetermined value, the image is formed with a first resolution for a density of pixels in the first area, and in a second area where the density of input image data is lower than the predetermined value, the image is formed with a second resolution for the density of pixels in the second area, wherein the second resolution is lower than the first resolution.