Image forming apparatus which corrects an output of a sensor...

Details Image forming apparatus which corrects an output of a sensor... Image forming apparatus which corrects an output of a sensor...

2007-01-23

2007-01-23

Beatty, Robert (Department: 2852)

Electrophotography

Control of electrophotography process

Of plural processes

C399S074000

Reexamination Certificate

active

10846763

ABSTRACT:
An image forming apparatus, comprising: an image forming section for forming and outputting a predetermined gradation patch pattern image on transfer paper; a sensor for reading and outputting the gradation patch pattern image; and a control section for correcting reading characteristics of the sensor on the basis of an output value of the sensor obtained by reading the gradation patch pattern image and a color value of the gradation patch pattern image formed on the transfer paper.

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