Image forming apparatus

Details Image forming apparatus Image forming apparatus

1990-07-27

1992-10-06

Martin, Roland

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

358300, 355251, 4301066, 430122, 430903, G03G 1509, H04N 123

Patent

active

051533774

ABSTRACT:
An image forming apparatus is constituted by an image-bearing member for bearing a latent image, and a developing apparatus for developing the latent image. The developing apparatus is constituted by a developer container for containing a toner, and a developer-carrying member for carrying and conveying the toner contained in the developer container to a developing zone opposite the image-bearing member. The developer-carrying member is provided with a coating layer containing electroconductive fine particles. A developer suitable for use in the above developing apparatus is given by a toner, which comprises a binder resin composition which contains 10-70 wt. % of a THF (tetrahydrofuran)-insoluble content and the remainder of a THF-soluble content including a component with a molecular weight of 10000 or below on a GPC (gel permeation chromatography) chromatogram of the THF-soluble content constituting 10-50 wt. % of the binder resin.

REFERENCES:
patent: 3863603 (1975-02-01), Buckley et al.
patent: 4057666 (1977-11-01), Drummond, Jr.
patent: 4522907 (1985-06-01), Mitsuhashi et al.
patent: 4939060 (1990-07-01), Tomiyama et al.
patent: 4966829 (1990-10-01), Yasuda et al.

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