Patent ID: 7916346
Filing Date: 2011-03-29
Classification: G06K

Abstract:
1. An image forming apparatus comprising: an image forming unit that forms an image on a recording medium, by exposing an image holder to form a latent image, developing the latent image to form a toner on the image holder, and transferring the toner image from the image holder to the recording medium, which is carried in a sub-scanning direction; a memory unit that stores an exposure width in a main scanning direction where an exposure can be made by the image forming unit, and a table that stores an image size, an amount of a correction to be used for correcting a deviation of an image forming position, and a margin of the exposure width on one side in the main scanning direction of an image that has the image size, image data of which is corrected on the basis of the amount of the correction; a deviation amount obtaining unit that obtains an amount of a deviation formed on a recording medium by the image forming unit; a correcting unit that calculates an amount of a correction to used for correcting an image forming position of the image to be formed by the image forming unit, on the basis of the amount of the deviation of the deviation obtained by the deviation amount obtaining unit, to correct image data of the image to be formed, on the basis of the calculated amount of the correction and a deficiency amount calculating unit that calculates an amount of a deficiency of the image, which occurs in an area beyond the exposure width where exposure can not be made by the image forming unit, as a result of the correction by the correcting unit with reference to the margin of the exposure width stored in the table associated with the image size of the image to be formed in the calculated amount of the correction, the correcting unit being further configured to correct image data of the image to be formed by the image forming unit, on the basis of the amount of the deficiency calculated by the deficiency amount calculating unit.