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. 19, 2010
Filed:
Sep. 19, 2005
Hidetoshi Yano, Tokai, JP;
Hidetoshi Yano, Tokai, JP;
Brother Kogyo Kabushiki Kaisha, Nagoya-shi, Aichi-ken, JP;
Abstract
An image forming apparatus includes: an image forming apparatus main body including an image forming unit that forms an image on a sheet, a detachable main body sheet feeding tray that holds the sheet and a sheet feeding unit that feeds the sheet from the main body sheet feeding tray toward the image forming unit; an optional sheet feeding device that is capable of being added on a lower side of the main body sheet feeding tray and feeds the sheet toward the image forming unit, the optional sheet feeding device having a first detector that detects whether or not the main body sheet feeding tray is attached to a proper position; and a controller that controls operations of the image forming apparatus main body and the optional sheet feeding device based on a detection result of the first detector.