| 摘要 |
An image-forming device includes an image forming unit, a patch forming unit, a monitor, a measuring unit and a correcting unit. The image forming unit provides an electrostatic latent image formed on a surface of a photosensitive drum with charged developer to form a developer image based on an image forming condition, and transfers the developer image to an recording medium to form an image. The patch forming unit controls the image forming unit to form a patch with the developer. The monitor monitors an operating state of the image forming unit after one patch is formed before next patch is formed. The measuring unit measures density of the patch. The determining unit determines a correcting amount used to correct the image forming condition, based on the measured density of the patch. The correcting unit corrects the image forming condition based on both the correcting amount and the operating state.
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