Image forming apparatus and method for controlling image...

Details Image forming apparatus and method for controlling image... Image forming apparatus and method for controlling image...

2007-04-30

2010-11-23

Royer, William J (Department: 2852)

Electrophotography

Control of electrophotography process

Of plural processes

C399S072000

Reexamination Certificate

active

07840147

ABSTRACT:
An image forming apparatus for stabilizing image densities of a high-density image by devising shapes of test patches is provided. A test pattern image is created by adhering toner to a plurality of test patches having respectively different line area rates of 100% or less. An amount of adhering toner for a line area rate of 100% is calculated by detecting the amount of the toner adhering to the test pattern image. Then, process conditions are controlled so that the calculated amount of the adhering toner reaches a predetermined value. By doing so, the amount of the adhering toner of the high-density image is accurately controlled.

REFERENCES:
patent: 5708916 (1998-01-01), Mestha
patent: 6650849 (2003-11-01), Shimura
patent: 10-239924 (1998-09-01), None
patent: 2002-214852 (2002-07-01), None
patent: 2006-003816 (2006-01-01), None

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