The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 06, 2016

Filed:

May. 26, 2015
Applicants:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Toshiba Tec Kabushiki Kaisha, Tokyo, JP;

Inventors:

Takeshi Watanabe, Yokohama Kanagawa, JP;

Daisuke Ishikawa, Mishima Shizuoka, JP;

Shoko Shimmura, Yokohama Kanagawa, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/06 (2006.01);
U.S. Cl.
CPC ...
G03G 15/065 (2013.01);
Abstract

An image forming apparatus includes a photoreceptor, an exposure unit having a plurality of light emitting elements that are configured to emit light corresponding to an image to be formed towards the photoreceptor, a developing unit containing toner that is transferred to the photoreceptor therefrom, and a control unit configured to control a potential of the developing unit. The control unit is configured to control the potential of the developing unit, such that the toner is selectively transferred to a region of the photoreceptor that has received light of an intensity that is greater than a predetermined value. The predetermined value is equal to or greater than 40% and equal to or smaller than 60% of an average peak intensity of the plurality of the light emitting elements that are driven with a maximum current value.


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