Charging device, and process cartridge and image forming...

Details Charging device, and process cartridge and image forming... Charging device, and process cartridge and image forming...

2006-06-13

2006-06-13

Chen, Sophia S. (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S357000, C430S110300, C430S110400

Reexamination Certificate

active

07062194

ABSTRACT:
A charging device including a charging roller having a metallic cylinder with an elastic layer disposed thereon, and a cleaner for cleaning the surface of the charging roller. The cleaner includes a driving shaft and a cleaning roller rotatably mounted on the driving shaft. The cleaning roller is made of a non-cellular foam resin having a density of from 5 to 15 kg/m3and a tensile strength of from 1.2 to 2.2 kg/cm2.

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