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.
Patent No.:
Date of Patent:
Sep. 26, 2023
Filed:
Jan. 26, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
Hiroshi Matsumoto, Ibaraki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image forming apparatus includes a connection portion to which a first optional device and a second optional device are selectively detachably connectable, and a determination portion configured to determine whether to prohibit an operation of the image forming apparatus. A plurality of first optional devices are stacked and connectable to the image forming apparatus. The second optional device is installed on a floor and is connectable to the first optional device. In a case in which the second optional device is not connected and the first optional devices of a number larger than a first threshold value are connected to the image forming apparatus, and in a case in which the second optional device is connected and the first optional devices of a number larger than a second threshold value are connected to the image forming apparatus, the determination portion prohibits the operation of the image forming apparatus.