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:
May. 06, 2025

Filed:

May. 10, 2024
Applicant:

Kyocera Document Solutions Inc., Osaka, JP;

Inventors:

Koji Uno, Osaka, JP;

Keisuke Oba, Osaka, JP;

Yasuhiro Michishita, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/16 (2005.12); G03G 15/00 (2005.12); G03G 15/01 (2005.12);
U.S. Cl.
CPC ...
G03G 15/162 (2012.12); G03G 15/0189 (2012.12); G03G 15/1605 (2012.12); G03G 15/1645 (2012.12); G03G 15/5054 (2012.12); G03G 2215/0609 (2012.12); G03G 2215/1614 (2012.12);
Abstract

An image forming apparatus includes a plurality of image carriers, a charging device, an exposure device, a development device, and an intermediate transfer belt. The image carrier has a surface on which an amorphous silicon photosensitive layer is formed. The intermediate transfer belt is a plastic belt having a surface resistivity of 9.5 to 10.5 (log Ω/square). An offset amount of the primary transfer roller from the image carrier is 0 to 2 (mm), a contact surface pressure between the image carrier and the intermediate transfer belt is 0.5 to 1.5 (gf/mm), and a charge density of primary transfer current that flows when the primary transfer voltage is applied to the primary transfer roller is 0.016 to 0.040 (μC/cm).


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