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US 2014/0270854 A1Published application
Developing Apparatus and Image Forming Apparatus
AssigneeFunai Electric Co., Ltd.
InventorToshinori ASAI
Life of this patent
Estimating the term…
Abstract
This developing apparatus includes a toner supply passage for supplying new toner fed from a toner cartridge to a toner carrying region where a toner carrier is arranged, and the toner supply passage is provided with a backflow prevention portion for preventing old toner from backflowing toward the toner cartridge.
Claims20
A developing apparatus comprising:
- an image carrier forming an electrostatic latent image;
- a toner carrier for supplying toner to the electrostatic latent image formed on the image carrier;
- and
- a toner supply passage for supplying new toner fed from a toner cartridge to a toner carrying region where the toner carrier is arranged, wherein
- the toner supply passage is provided with a backflow prevention portion for preventing old toner from backflowing toward the toner cartridge.
2 more elements
An image forming apparatus comprising a toner cartridge storing new toner and a developing apparatus, wherein
- the developing apparatus includes:
- an image carrier forming an electrostatic latent image;
- a toner carrier for supplying toner to the electrostatic latent image formed on the image carrier;
- and
- a toner supply passage for supplying the new toner fed from the toner cartridge to a toner carrying region where the toner carrier is arranged, and
- the toner supply passage of the developing apparatus is provided with a backflow prevention portion for preventing old toner from backflowing toward the toner cartridge.
3 more elements
Dependencies are inferred from the claim text.