Image forming apparatus and fog control method

Details Image forming apparatus and fog control method Image forming apparatus and fog control method

2011-01-25

2011-01-25

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Of plural processes

C399S046000, C399S027000, C356S446000

Reexamination Certificate

active

07877029

ABSTRACT:
An image forming apparatus includes a fog controller to control a fogging level of a toner image carrier by adjusting a fog control parameter on the basis of the fogging level detected by a fogging level detection section and the target fogging level stored in a memory section. While varying a value of the fog control parameter, the fog controller makes a detection pattern forming section to form a series of detection patterns between toner images for each page on the toner image carrier, makes the fogging level detection section to detect each of fogging levels of the series of detection patterns, determines a target fog control parameter value on the basis of each fogging level of the series of detection patterns detected and the target fogging level stored, and adjusts the fog control parameter on the basis of the target fog control parameter value.

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Japanese Office Action dated Oct. 28, 2008.

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