Patent ID: 8068764
Filing Date: 2011-11-29
Classification: G03G

Abstract:
1. An image forming device comprising: a main body; an exposing unit fixed to the main body and including an exposing member and an attaching portion; a process cartridge attachable to the attaching portion, and including a photosensitive drum; and a positioning unit configured to position the process cartridge with respect to the exposing unit so that the photosensitive drum faces the exposing member in a first direction when the process cartridge is attached to the attaching portion, allowing the photosensitive drum to be exposed by the exposing member, wherein the positioning unit includes an engaging member provided on the attaching portion, and an engaged member provided on the process cartridge to be engaged with the engaging member, wherein the exposing member has a longitudinal length extending in a second direction orthogonal to the first direction, and a pair of second ends in the second direction, and wherein the engaging member is provided outside the pair of second ends in the second direction.