| 摘要 |
PROBLEM TO BE SOLVED: To prevent scattering of toner, in the case of loading the toner cartridge on a developing device by feeding toner by lifting a globular tap blocking an opening part for the toner feeding pressed by a spring provided on the toner cartridge by a push up plate in a cylindrical shape provided on the developing device. SOLUTION: The toner cartridge 1 is provided with the globular tap 11, the spring 12 and the opening part 13 for feeding the toner, the developing device 2 is provided with the push up plate 21 in the cylindrical shape. The tap 11 is pressed from inside of the cartridge 1 by the spring 12 with respect to the opening part 13 for feeding the toner. In the case of loading the toner cartridge 1 on the developing device 2, the opening part 13 for feeding the toner being hermetically closed by the tap 11 is pressed by the push up plate 21 of the developing device 2 and depressed as it is. By the push up plate 21 inserted on the opening part 13 for feeding the toner of the toner cartridge 1, the tap 11 is pushed up, and a gap by a diameter of the push up plate 21 in the opening part 13 for the toner feeding, and the toner is fed therefrom. |
