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:
Nov. 07, 2023

Filed:

Mar. 24, 2022
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Tsuyoshi Nagasaki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 21/20 (2006.01); B65H 29/24 (2006.01); G03G 15/20 (2006.01);
U.S. Cl.
CPC ...
G03G 15/657 (2013.01); B65H 29/242 (2013.01); G03G 15/6529 (2013.01); G03G 21/206 (2013.01); B65H 2404/2691 (2013.01); B65H 2406/3622 (2013.01); G03G 15/2017 (2013.01); G03G 15/5008 (2013.01); G03G 2215/00413 (2013.01);
Abstract

An image forming apparatus includes a transfer unit, a fixing unit, a first conveyance unit which includes a first conveyance rotator, a first suction fan, and a first suction port, a second conveyance unit which includes a second conveyance rotator, a second suction fan, and a second suction port, and a control unit. The control unit is configured to execute a first mode of changing a rotational speed of the second suction fan from a first rotational speed to a second rotational speed lower than the first rotational speed after a leading edge of the sheet passes through the fixing unit in a case where a sheet having a length longer than a length from the fixing unit to a downstream end of the first suction port in the sheet conveyance direction is conveyed.


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