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:
Mar. 04, 2014
Filed:
Jun. 01, 2011
Fumio Shimazu, Hachioji, JP;
Tetsuya Abe, Tama, JP;
Hideki Ando, Hamura, JP;
Hiroaki Ootsubo, Higashimurayama, JP;
Chihiro Toyama, Hachioji, JP;
Yuichiro Iegaki, Kodaira, JP;
Fumio Shimazu, Hachioji, JP;
Tetsuya Abe, Tama, JP;
Hideki Ando, Hamura, JP;
Hiroaki Ootsubo, Higashimurayama, JP;
Chihiro Toyama, Hachioji, JP;
Yuichiro Iegaki, Kodaira, JP;
Casio Computer Co., Ltd., Tokyo, JP;
Casio Electronics Manufacturing Co., Ltd., Saitama, JP;
Abstract
In a new printer, a toner cartridge is mounted in the state where there is no toner in a reserve tank, and toner of the amount of filling toner D therein is supplied with the amount of full accommodation toner E for filling up the reserve tank by a toner supply mechanism. The toner of the amount of remaining surplus toner F remains in the toner cartridge. The amount of toner consumption G is measured by a dot counter during a printing execution. In the case where a toner density sensor detects a toner decreasing, the toner is supplied to a developing unit from the reserve tank. When it becomes G>F, it display-informs a user of 'toner cartridge exchange is allowed'. Hereby, it enables to exchange the toner cartridge without stopping operation of the main body of the image forming apparatus using a two-component developer.