Image forming apparatus having charging member supplied with osc

Details Image forming apparatus having charging member supplied with osc Image forming apparatus having charging member supplied with osc

1993-12-27

1997-01-21

Lee, Shuk Yin

Electrophotography

Image formation

Charging

361225, 399 89, 399298, G03G 1502

Patent

active

055963935

ABSTRACT:
An image forming apparatus includes image bearing member or members for bearing an image; charging member for sequentially charging a surface of the image bearing member or members to form an image thereon; a voltage source for applying an oscillating voltage to the charging member, the oscillating voltage including a first frequency and a second frequency which is different from the first frequency during charging by the charging member.

REFERENCES:
patent: 4851960 (1989-07-01), Nakamura et al.
patent: 4949125 (1990-08-01), Yamamoto et al.
patent: 5034777 (1991-07-01), Ohzeki et al.
patent: 5151736 (1992-09-01), Ohzeki et al.
patent: 5386286 (1995-01-01), Kinouchi et al.

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