Method for correcting and controlling image forming conditions

Details Method for correcting and controlling image forming conditions Method for correcting and controlling image forming conditions

2005-02-08

2005-02-08

Beatty, Robert (Department: 2852)

Electrophotography

Control of electrophotography process

Of plural processes

Reexamination Certificate

active

06853817

ABSTRACT:
A correction method of a control mechanism optimizing a corrected output and controlling image forming conditions of an image forming apparatus. The control mechanism includes an image forming unit for forming a toner image, a light emitting element for emitting light toward a predetermined toner image formed by the image forming unit, a first light receiving element for receiving regular reflection light caused by a light emission of the light emitting element, and a second light receiving element for receiving diffuse reflection light caused by the light emission of the light emitting element. The control mechanism controls an image forming condition of the image forming unit on the basis of a corrected output. The correction method controlling the control mechanism includes forming a correction toner image by the image forming unit, detecting, by the first and second light receiving elements, the diffuse reflection light caused when the light emitting element emits light toward the correction toner image, and correcting the corrected output on the basis of outputs of the first and second light receiving elements obtained in the detecting step.

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