Patent ID: 7113199

Claim:
An image forming device comprising: a plurality of image forming units, each of the plurality of image forming units being provided for each of a plurality of colors, the plurality of image forming units being aligned vertically; and a casing that accommodates the plurality of image forming units, each of the plurality of image forming units comprising: a photosensitive member; an exposing device that exposes the photosensitive member to light to form electrostatic latent images thereon; and a developing device that develops the electrostatic latent images formed on the photosensitive member using developer to form developer images, wherein the developing device and the exposing device are aligned to overlap with each other in a vertical direction, when the casing is disposed in an orientation in which the casing is intended to be used; and wherein the exposing device includes: a deflecting unit that deflects a laser beam; and a drive unit that drives the deflecting unit, the drive unit and the developing device being aligned to overlap with each other in a horizontal direction.