Electrophotographic image forming apparatus
AssigneeSamsung Electronics Co., Ltd.
InventorsKoji Miyake, Takayuki Wakai
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Abstract
An electrophotographic image forming apparatus includes a photoreceptor forming an electrostatic latent image on a surface thereof, a charging roller being in contact with the photoreceptor to uniformly charge the surface thereof, a developing device forming a toner image on the photoreceptor, and a cleaning device cleaning contaminants on a surface of the charging roller, in which the charging roller has a conductive elastic layer formed around an axis and a direction of polishing marks on the surface of the charging roller is in a circumferential direction.
Claims9
An electrophotographic image forming apparatus comprising:
- a photoreceptor forming an electrostatic latent image on a surface thereof;
- a charging roller being in contact with the photoreceptor to uniformly charge the surface thereof;
- a developing device forming a toner image on the photoreceptor;
- and
- a cleaning device cleaning contaminants on a surface of the charging roller,
- wherein the charging roller has a conductive elastic layer formed around an axis and a direction of polishing marks on the surface of the charging roller is in a circumferential direction.
A charging roller for an electrophotographic image forming apparatus, comprising:
- a conductive elastic layer formed around an axis,
- wherein a surface of the conductive elastic layer is polished to have polishing marks formed in a circumferential direction.
Dependencies are inferred from the claim text.