| 摘要 |
This invention provides an image forming apparatus that can suppress variations in writing densities of LED heads and form stable images. An image forming apparatus has an image retainer 1 for retaining a toner image, an image writing unit 3 equipped with a plurality of LED heads 31 to form a static latent image the image retainer 1 , a developing unit 4 for developing the static latent image formed by the image writing unit 3 with a developing agent, a patch formation controller 23 for forming patches for each LED head on the image retainer 1 , a density detector 25 for detecting the density of each patch formed by the patch formation controller 23 , and a correction controller 26 for correcting the light amount of each LED head by the density detected by the density detector 25.
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