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:
Oct. 06, 2015

Filed:

May. 29, 2014
Applicant:

Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;

Inventors:

Hirokazu Nakamura, Osaka, JP;

Kousuke Namisaki, Osaka, JP;

Motoki Ohta, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/2025 (2013.01); G03G 15/2028 (2013.01); G03G 15/2085 (2013.01);
Abstract

An image forming apparatus includes a pre-fixing sheet guide and a toner collection device. The pre-fixing sheet guide is to let a sheet conveyed along it, the sheet with a toner image transferred thereon at a transfer portion to an end part of the sheet. The sheet guide has a width shorter than a maximum printable sheet width. The toner collection device includes an adsorption member (pressure roller) that is disposed in the vicinity of the pre-fixing sheet guide and having a surface exhibiting conductivity, and a potential difference formation mechanism (earth mechanism) configured to form a potential difference between the surface of the adsorption member and the toner.


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