Image processing apparatus and method for controlling a detectio

Details Image processing apparatus and method for controlling a detectio Image processing apparatus and method for controlling a detectio

1998-09-09

2000-03-28

Chen, Sophia S.

Electrophotography

Control of electrophotography process

Of plural processes

399 43, 399 53, 399308, G03G 1500

Patent

active

060442344

ABSTRACT:
In an image processing apparatus for forming a visible image by developing an electrostatic latent image formed on an image carrier, transferring the visible image onto an intermediate transfer body, and then transferring the visible image onto a recording medium, a density sensor detects a patch formed on the intermediate transfer body, and corrects the measurement timing of the density sensor on the basis of the detected position of the patch. The density sensor then detects the density of a toner image for density correction to execute density control. With this control, density control can be done after any mechanical error between the intermediate transfer body and density sensor is corrected, thus improving the density control precision.

REFERENCES:
patent: 5652946 (1997-07-01), Scheuer et al.
patent: 5754920 (1998-05-01), Tanaka et al.
patent: 5809365 (1998-09-01), Yoshizawa
patent: 5842080 (1998-11-01), Ashibe et al.

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