Image forming apparatus and developing gap adjusting method...

Details Image forming apparatus and developing gap adjusting method... Image forming apparatus and developing gap adjusting method...

2007-02-13

2007-02-13

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Development

C399S119000, C399S226000, C399S223000

Reexamination Certificate

active

10997908

ABSTRACT:
In the image forming apparatus of the present invention, a developing roller is press fit into the rotor at the edge of the rotary holder of the revolver type color developing device that is positioned against the photosensitive drum and a developing gap between the photosensitive drum and the developing roller is finely adjusted in parallel to a line connecting the center of the photosensitive drum and the rotary holder by sliding the developing roller in the rotor by the adjuster. Irrespective of the adjustment of the developing gap, the developing position on the photosensitive drum is always kept at a constant position and a developing image of high level of quality is obtained.

REFERENCES:
patent: 5612769 (1997-03-01), Sugihara et al.
patent: 5940657 (1999-08-01), Yokomori et al.
patent: 07199648 (1995-08-01), None
patent: 2002-287489 (2002-10-01), None

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