Patent ID: 7982761

Claim:
An image forming apparatus comprising: a plurality of photosensitive members; a plurality of exposing units which are opposed to the photosensitive members, respectively, each of the exposing units including a plurality of light emitting elements arranged in a first direction to expose a respective one of the photosensitive members; and a body frame which is provided at both sides of the exposing units in the first direction, wherein each of the exposing units includes: a gap maintaining member which abuts a respective one of the photosensitive members to define a distance between the exposing unit and the photosensitive member; a first-direction positioning portion which abuts the body frame in the first direction to position the exposing unit in the first direction; and a second-direction positioning portion which abuts the body frame in a second direction perpendicular to the first direction and an exposing direction of the light emitting elements, to position the exposing unit in the second direction, wherein the body frame extends along the plurality of exposing units.