Charging device and image forming apparatus using the same

Details Charging device and image forming apparatus using the same Charging device and image forming apparatus using the same

2008-05-22

2010-10-05

Hannaher, Constantine (Department: 2884)

Electrophotography

Machine operation

Having power supply

C361S225000

Reexamination Certificate

active

07809302

ABSTRACT:
A charging apparatus includes a charging member to charge a surface of a photoconductive medium, a power unit to supply an electric power as a bias voltage to the charging member, and a resistor unit to reduce a ripple on the surface of the charging member. Accordingly, a stability of the charging apparatus is secured without using a separate power device.

REFERENCES:
patent: 6449446 (2002-09-01), Kashihara
patent: 2006/0147227 (2006-07-01), Lee et al.
patent: 2007/0172251 (2007-07-01), Suganuma et al.

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