Apparatus for calibrating toner density for color images

Details Apparatus for calibrating toner density for color images Apparatus for calibrating toner density for color images

1995-12-07

1998-04-07

Royer, William J.

Electrophotography

Control of electrophotography process

Color balance

399 44, 399 49, 399 50, 399 55, G03G 1500, G03G 1501, G03G 1502, G03G 1506

Patent

active

057376654

ABSTRACT:
In a color image forming apparatus, a test pattern is formed by a color toner and provided with multiple tones by a dither method. The toner density of the test pattern is accurately read by a simple structure and faithfully corresponds to the actual toner density.

REFERENCES:
patent: 4894685 (1990-01-01), Shoji
patent: 5189521 (1993-02-01), Ohtsubo et al.
patent: 5565995 (1996-10-01), Yamada et al.
patent: 5572330 (1996-11-01), Sasanuma

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