Image forming apparatus

Details Image forming apparatus Image forming apparatus

1995-08-31

1997-05-13

Smith, Matthew S.

Electrophotography

Image formation

Charging

399100, G03G 1502

Patent

active

056297556

ABSTRACT:
An image forming apparatus includes a rotating photosensitive body, a charging member which is rotated in a direction opposite to a rotational direction of the photosensitive body while contacting the photosensitive body in order to uniformly charge a surface of the photosensitive body, a cleaning member for cleaning a surface of the charging member, and a device for bringing the charging member into contact with the photosensitive body or separating the charging member from the photosensitive body. The charging member is rotated contacting the cleaning member in order to clean the charging member when the charging member is separated from the photosensitive body. A surface peripheral speed of the charging member made when the charging member is separated from the photosensitive body is reduced to become slower than a surface peripheral speed of the charging member maintained when the charging member is rotated contacting the photosensitive body.

REFERENCES:
patent: 4339195 (1982-07-01), Gabelman
patent: 5499078 (1996-03-01), Kurokawa et al.
patent: 5532795 (1996-07-01), Tatsumi et al.

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