Developer container, developer replenishing device, developing device, and image forming apparatus using same

摘要

A developer container (32) removably installable in an apparatus body (100) of an image forming apparatus (1000) includes a container body (33) to contain developer, a cap (34) connectable to the container body and including a supply opening (W), and flange (300) projecting beyond an outer circumferential surface of the cap (34) in a radial direction extending from a center of a cross section of the container body (33). The flange (300)is formed along a circumference of the container body (33) and provided between the container body (33) and the cap (34).