Developing apparatus

Details Developing apparatus Developing apparatus

G - Physics

03

G

G03G 15/08 (2006.01) G03G 21/18 (2006.01)

Patent

CA 2165750

A developing apparatus includes a developing chamber for containing a developer, a developer- carrying member for carrying and conveying the developer to a developing region, and a developer- supplying member abutted rotatably to the developer- carrying member. The developer-supplying member has surface-modifying powder at at least its surface. The powder has substantially no chargeability or a chargeability of a polarity equal to that of the developer and a magnitude in terms of an absolute value equal to or smaller than that of the developer. By application of the surface-modifying powder. The developing apparatus can obviate a partial tearing of a surface portion of the developer-supplying member leading to image defects and an increase in drive torque at the initial drive thereof.

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