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:
Aug. 18, 2009
Filed:
Apr. 17, 2006
Mitsunori Ishii, Tokyo, JP;
Mitsunori Ishii, Tokyo, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes: a conveyance motor for conveying paper; an image forming unit forms a toner image on the conveyed paper; and a fixing device having a heat roller including plural heat sources to cause the toner image to be fixed to the paper. The image forming apparatus also includes a control unit. The control unit generates a control signal that switches ON or OFF the heat sources and a signal controls the driving of the conveyance motor, and generates a mode signal that differs between a warm-up mode and a normal mode. The control unit switches ON the plural heat sources at the same time and prohibits the driving of the conveyance motor during the warm-up mode, and allows the driving of the conveyance motor and prohibits all of the plural heat sources from being switched ON at the same time during the normal mode.