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:
Mar. 22, 2016

Filed:

Apr. 02, 2014
Applicant:

Sharp Kabushiki Kaisha, Osaka, JP;

Inventors:

Eiji Tenjiku, Osaka, JP;

Yasuyuki Ishiguro, Osaka, JP;

Hisashi Kunihiro, Osaka, JP;

Hitoshi Nagahama, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 21/16 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 21/1623 (2013.01); G03G 21/1842 (2013.01);
Abstract

An image forming apparatus to which a plurality of process cartridges has a safety switch for detecting opening and closing of a front cover, stroke switches for detecting positions of the process cartridges, a display portion and a speaker for notifying a state of the process cartridge, and a control portion. The control portion has a cartridge information notifying function for, when closing of the front cover is detected by the safety switch and the process cartridge is not detected by the stroke switch, notifying information of the process cartridge. Further, the control portion has a cartridge information notifying function for notifying first notification information for replacing the process cartridge, a cartridge moving function for moving the process cartridge by a moving portion, and a cartridge information notification cancelling function for cancelling notification of the first notification information.


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