TONER CARTRIDGE, AND PROCESS UNIT AND IMAGE FORMING APPARATUS USING THE TONER CARTRIDGE

摘要

PROBLEM TO BE SOLVED: To provide a toner cartridge for reducing an amount of toner remaining without being discharged from the toner cartridge and to provide a process unit and image forming apparatus that use the process cartridge.

SOLUTION: The toner cartridge 1 includes: a cylindrical toner container 2 having a toner storage part 21 storing supply toner and a toner discharge opening 38 for discharging toner in the toner storage part 21 out of the container; and a toner container support member 3 for rotatably supporting the toner container 2 around the axis of the toner container 2. The toner cartridge discharges the toner in the toner storage part 21 out of the container by rotating the toner container 2. In the toner cartridge, the toner discharging opening 38 is formed adjacent to the toner container support member 3, and the toner storage part 21 decreases in its inside diameter in the axial direction as it extends away from the toner discharge opening 38.

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