| 摘要 |
An image forming apparatus including: an image forming section; and a control section allowing the image forming section to form a belt-shaped pattern on sheets in such a way that a formation starting position of the belt-shaped pattern is shifted for a distance, obtained by dividing a measurement-distance by a number of sheets to be used, in a main-scanning direction sheet by sheet; collecting, sheet by sheet, pieces of density information each of which indicates the density of the belt-shaped pattern at a measurement position of measurement positions; creating data in which the pieces of density information respectively correspond to the measurement positions arranged in the main-scanning direction on each of the sheets; and correcting density unevenness of image data in the main-scanning direction based on the created data, wherein the image forming section forms an image based on the image data of which the density unevenness is corrected.
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