| 摘要 |
PROBLEM TO BE SOLVED: To provide a development device capable of reducing the number of components and improving efficiency of assembly work of the development apparatus, and its manufacturing method.SOLUTION: In a development cartridge 23, an upper frame 32 is provided with a retaining part 85, and a lower frame 31 is provided with an agitator 12. Then, the upper frame 32 is assembled to the lower frame 31 to form a development frame 30 and the retaining part 85 and the agitator 12 are abutted inside the development frame 30. |
