Developing device for image forming apparatus, toner container insertable into the developing device, and image forming apparatus provided therewith

摘要

A developing device includes a toner container for supplying toner; and a container receptacle for receiving the toner container therein. The container receptacle includes a positioning plate for positioning the toner container with respect thereto by making contact with a frontal end of the toner container in an insertion direction, and engaging means provided on the positioning plate. The engaging means has a first engaging member, and a second engaging member partially surrounding the contour of the first engaging member when viewed from a rear end of the toner container in the insertion direction.