Developer container for an image forming apparatus and method of conveying a developer

摘要

A developer replenishing device included in an image forming apparatus for replenishing a developer to a developing unit is disclosed and includes a developer container filled with the developer. An air pump feeds compressed air into the developer container to thereby fluidize the developer. A powder pump discharge the fluidized toner from the developer container by suction and delivers it to the developing unit. When the toner container is set on the body of the apparatus, an air feed portion penetrates into the container.