Color image forming apparatus

Details Color image forming apparatus Color image forming apparatus

2005-01-25

2005-01-25

Tran, Hoan (Department: 2852)

Electrophotography

Control of electrophotography process

Of plural processes

C399S050000, C399S051000, C399S053000

Reexamination Certificate

active

06847790

ABSTRACT:
A color image forming apparatus includes a controlling unit for controlling an exposure unit, developing devices, etc., so that an ordinary image of one color is formed within a period of time in which a carrier rotates once, and density detection pattern images of a plurality of colors are formed within the period of time in which the carrier rotates once.

REFERENCES:
patent: 5579090 (1996-11-01), Sasanuma et al.
patent: 5666588 (1997-09-01), Uchiyama et al.
patent: 5873010 (1999-02-01), Enomoto et al.
patent: 5940654 (1999-08-01), Uchiyama et al.
patent: 6125245 (2000-09-01), Shibuya et al.
patent: 6246844 (2001-06-01), Shiba
patent: 6771911 (2004-08-01), Ko

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