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:
Oct. 29, 2019
Filed:
Nov. 19, 2018
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Kazuma Hinoue, Nagoya, JP;
Ryosuke Hayashi, Nagoya, JP;
Takashi Shimizu, Nagoya, JP;
Takashi Suzuki, Nagoya, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Abstract
An image forming apparatus, including: a photoconductor; a developing device; a developer storage; a supplier configured to supply developer to the developing device; and a controller configured to, when performing a printing operation, execute a developing process, a usage-amount obtaining process of obtaining a developer usage amount used in the developing process, a first supplying process of supplying the developer by operating the supplier by a first driving amount every time the usage amount becomes greater than or equal to a first threshold, and a second supplying process of supplying the developer by operating the supplier by a driving amount greater than the first driving amount when the usage amount from a time point of beginning of use of the developer storage becomes greater than or equal to a second threshold that is greater than the first threshold.