Patent attributes
A process cartridge includes a photosensitive drum; a light guide member; a shutter portion movable between a closed position where the shutter portion covers the surface of the drum and an open position where the surface of the drum is exposed; and a connecting portion, provided at each of end portions of the shutter portion with respect to an axial direction of the drum, for connecting the shutter portion so as to be movable relative to a main body portion of the process cartridge. The light guide member includes an incident portion, at one end portion thereof with respect to the axial direction of the drum, for irradiating the surface of the drum with light incident on the incident portion. The incident portion is positioned outside the connecting portion with respect to the axial direction of said photosensitive drum.
