Color image forming apparatus and control method therefor

Details Color image forming apparatus and control method therefor Color image forming apparatus and control method therefor

2005-04-26

2011-11-15

Thompson, James A (Department: 2625)

Facsimile and static presentation processing

Natural color facsimile

Measuring, testing, and calibrating

C358S001100, C358S001900, C358S518000, C399S015000, C399S038000, C399S049000, C399S061000, C399S072000

Reexamination Certificate

active

08059318

ABSTRACT:
A color image forming apparatus includes a density sensor which detects the light reflecting characteristics of an unfixed toner image formed on an image carrier or a transfer material carrier, and a color sensor which detects the light reflecting characteristics of the fixed toner image formed on a transfer material. A test image is formed on the transfer material in accordance with the detection result of the density sensor, and a density control process of controlling image forming conditions is controlled to be executed in accordance with a detection result of detecting the test image by the color sensor.

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Office Action, dated Apr. 6, 2009, in JP 2004-139096.

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