COVER MEMBER, DEVELOPING CARTRIDGE AND DEVELOPING UNIT FOR IMAGE FORMING APPARATUS

摘要

A cover member, a developing cartridge and a developing unit of an image forming apparatus capable of supplying only consumed developer are provided to reduce economical burden of a user by using developer cartridge in which it is accepted only developer. A mounting groove(130) is installed at a developing cartridge body. The developer cartridge for the developer supplement is mounted to the mounting groove. The developer cartridge is not mounted. A cover member(10) prevents the opening of the mounting groove. If the developer cartridge is mounted, it removes the cover member. The lungs developer is inflow to the wasted developer incoming unit of the cover member.