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:
Apr. 08, 2025
Filed:
Sep. 06, 2023
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Toshio Furukawa, Nagoya, JP;
Koji Ogawa, Owariasahi, JP;
Fan Xu, Nagoya, JP;
Kazuma Hinoue, Nagoya, JP;
Hotaka Kakutani, Kiyosu, JP;
Shintaro Fukuoka, Nagoya, JP;
Soun Kanada, Iwakura, JP;
Masahiko Hayakawa, Ama, JP;
Marika Ozaki, Nagoya, JP;
Masaki Ueji, Nagoya, JP;
Ayaka Komori, Nagoya, JP;
Enao Yamada, Nagoya, JP;
Miho Ishida, Nagoya, JP;
Keigo Nakajima, Nagoya, JP;
Shota Iriyama, Toyokawa, JP;
Kengo Yada, Nagoya, JP;
Yuwen Wang, Toyohashi, JP;
Junichi Hashimoto, Nagoya, JP;
BROTHER KOGYO KABUSHIKI KAISHA, Nagoya, JP;
Abstract
An image forming apparatus includes: a photosensitive drum; a magnetic roller; a transfer belt; a drum cleaning roller for collecting toner on the photosensitive drum and discharging collected toner to the photosensitive drum; a belt cleaner; a waste toner accommodating unit; and a controller configured to perform a printing operation for forming an image on a sheet and a cleaning operation for cleaning the drum cleaning roller. The controller is configured to perform: when performing the printing operation, collecting toner on the photosensitive drum using the drum cleaning roller; and when performing the cleaning operation, discharging the toner on the drum cleaning roller collected in the collecting to the photosensitive drum; transferring the toner on the photosensitive drum onto the transfer belt; and collecting the toner on the transfer belt using the belt cleaner so that the collected toner is accommodated in the waste toner accommodating unit.