Method and apparatus for correcting image formation in accordanc

Details Method and apparatus for correcting image formation in accordanc Method and apparatus for correcting image formation in accordanc

1992-05-12

1996-01-02

Grimley, A. T.

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347130, 347140, 355205, 355207, G03G 2100

Patent

active

054813379

ABSTRACT:
In an electrophotographic image forming apparatus, a potential measurement device for measuring the surface potential of the electrostatic latent image and a reflective density measurement device for measuring the density of a visible image developed from the latent image are made movable, in mutually synchronized manner, along the axial direction of the rotating photosensitive member. In this manner the image forming ability can be measured over the entire surface of the photosensitive member, and the process conditions can be suitably regulated according to the results of measurements.

REFERENCES:
patent: 4474453 (1984-10-01), Yanagawa et al.
patent: 4748465 (1988-05-01), Tsilibes et al.
patent: 4860048 (1989-08-01), Itoh et al.
patent: 5060013 (1991-10-01), Spence
patent: 5081492 (1992-01-01), Hammond
patent: 5250988 (1993-10-01), Matsuura et al.

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