| 摘要 |
An image forming apparatus includes an image data input unit to which image data is input, a latent image carrier, an exposure head having a luminous element disposed in a first direction, and an imaging optical system for imaging light from the luminous element onto the latent image carrier, and an image processing unit that screen-processes the image data by using a screen table having a first screen pixel formed by n (n is an integer number equal to or more than 1) luminous element spots in a first direction and a second screen pixel formed by m (m is an integer number different from n) luminous element spots in the first direction.
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