Image forming apparatus including a heater positioned...

Details Image forming apparatus including a heater positioned... Image forming apparatus including a heater positioned...

2007-08-10

2009-10-06

Grainger, Quana M (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S094000

Reexamination Certificate

active

07599642

ABSTRACT:
An image forming apparatus is constituted by an image bearing member; a corona charging member including a wire; a heat generating member for generating heat by energization; a shielding member, including the heat generating member, capable of shielding a portion of the corona charging member opposing to the image bearing member from the image bearing member by being moved between the corona charging member and the image bearing member; an energization control member for controlling energization of the heat generating member; and moving member for moving the shielding member to a first position at which the shielding member shields the portion and a second position retracted from the first position. When the shielding member is located at the first position, at least a part of the heat generating member is disposed between the corona charging member and the image bearing member.

REFERENCES:
patent: 4607936 (1986-08-01), Miyakawa et al.
patent: 5422462 (1995-06-01), Kishimoto
patent: 5689768 (1997-11-01), Ehara et al.
patent: 57189155 (1982-11-01), None
patent: 59077474 (1984-05-01), None
patent: 60-073633 (1985-04-01), None
patent: 03174165 (1991-07-01), None
patent: 6-167857 (1994-06-01), None
patent: 6-295780 (1994-10-01), None
patent: 2003076118 (2003-03-01), None
patent: 2003-109803 (2003-04-01), None
English-language translation of JP 60-73633 A.
English-language translation of JP 2003-76118 A.

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