| 摘要 |
PROBLEM TO BE SOLVED: To provide a development machine that easily controls dimensions by a simple structure and obtains high quality images, a process cartridge using the developing device, and an imaging device. SOLUTION: In the development machine that supplies developer by means of a development sleeve 3 incorporating a magnet 4, strike members 5 and 6 are disposed between the magnet 4 and the development sleeve 3. The magnet 4 is pressed, so as to strike the development sleeve 3 via the strike members 5 and 6.
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