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:
Mar. 15, 2022

Filed:

Sep. 25, 2019
Applicant:

Brother Kogyo Kabushiki Kaisha, Nagoya, JP;

Inventors:

Junichi Hashimoto, Toyohashi, JP;

Masafumi Inoue, Tajimi, JP;

Shuji Ota, Nagoya, JP;

Shuhei Hatano, Nagoya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 5/02 (2006.01); G03G 15/00 (2006.01); G03G 15/22 (2006.01);
U.S. Cl.
CPC ...
B65H 5/021 (2013.01); G03G 15/22 (2013.01); G03G 15/5008 (2013.01); G03G 15/657 (2013.01); G03G 15/6555 (2013.01); B65H 2301/4473 (2013.01); B65H 2513/10 (2013.01); B65H 2555/20 (2013.01); G03G 2215/00139 (2013.01); G03G 2215/00413 (2013.01); G03G 2215/00603 (2013.01);
Abstract

An image forming apparatus includes: a belt unit including a transfer belt and a first memory that stores a first sheet conveying speed of the transfer belt; a second memory storing a first reference value and a second sheet conveying speed of the fixing unit a controller configured to: control at least one of the belt motor and the fixing motor to bring the speed difference between the sheet conveying speed of the transfer belt and the sheet conveying speed of the fixing unit closer to the first reference value by setting a rotational speed of the fixing motor based on the first reference value and a first speed difference between the first sheet conveying speed read from the first memory and the second sheet conveying speed read from the second memory.


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