Provided is a cartridge that includes a photosensitive member unit, a development unit that moves with respect to the photosensitive member unit so as to be movable between a first position and a second position, a regulating member that is movable between a regulating position at which the regulating member contacts the photosensitive member unit and the development unit to regulate movement of the development unit from the first position to the second position and a nonregulating position at which movement of the development unit is not regulated, and an urging member that urges the regulating member to move the regulating member from the nonregulating position to the regulating position.