DEVELOPING UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME

摘要

A developing unit and an image forming apparatus with the same are provided to reduce replacement costs of supplies by having an additional developing agent cartridge and improve a structure of a mixing unit. A developing member(121) develops an electrostatic latent image of a photosensitive medium. A first supply member(122) supplies a developing agent to the developing member. A reset member(310) is arranged in an upper side than the developing member to reset the developing member.