Developing apparatus, apparatus unit, and image forming method

Details Developing apparatus, apparatus unit, and image forming method Developing apparatus, apparatus unit, and image forming method

1998-12-17

2000-11-28

Pendegrass, Joan

Electrophotography

Image formation

Development

430122, G03G 1509, G03G 1309

Patent

active

061546259

ABSTRACT:
A developing apparatus is disclosed which has a developer container, a developer carrying member for carrying a positively chargeable developer held in the developer container and transporting the developer to a developing zone, and a developer layer-thickness regulating member for regulating the thickness of a developer layer formed on the developer carrying member. The developer carrying member has a resin coat layer formed of a resin composition containing at least a resin selected from the group consisting of a phenol resin and a polyamide resin, a conductive material and a quaternary ammonium salt compound which is positively chargeable to iron powder. The resin composition may contain a urethane resin in place of the phenol resin and polyamide resin.

REFERENCES:
patent: 5911099 (1999-06-01), Nakajima et al.

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