Patent ID: 8749857

Claim:
An image forming apparatus comprising: an image forming section that forms an image on a recording material; a reading unit that includes a light source for irradiating light to the recording material on which the image is formed, and a generation section for receiving light reflected from the recording material and generating image information from the received light, and that reads the image of the recording material in order to adjust the image formed on the recording material by the image forming section; and a processing section that extracts information corresponding to a window region of the recording material set in advance, as correction information required for adjustment of the image, from the image information generated by the generation section when light from the light source is irradiated to the recording material on which the image is formed, wherein the correction information extracted by the processing section is information regarding a position of a corner of the recording material, the processing section changes a position for reading the image recorded on the recording material according to the information regarding the position of the corner of the recording material as information for adjusting, wherein the image forming section includes: a toner image forming unit that forms a toner image; a transfer unit that transfers the toner image formed by the toner image forming unit onto the recording material; and a fixing unit that fixes the toner image transferred by the transfer unit to the recording material.