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. 15, 2016
Filed:
Oct. 29, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Junichiro Nakabayashi, Kashiwa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a toner image former; a fixing portion including a fixing roller and a pressing roller to fix the image; a feeder for reversing a facing orientation of the paper and refeed it to the image former; an executing portion for executing a cleaning mode in which a predetermined toner image is fixed on one side of paper, and the paper is refed to the image former with the reversed orientation to clean the pressing roller; a first integrator for integrating a number of the simplex mode executions; a notifying portion for prompting the cleaning mode operation upon a predetermined first integrated value; a second integrator for integrating a number of executions of a duplex mode in which toner images are formed on both sides of paper, wherein a corrector corrects the integrated value of the first integrator depending on the integrated value of the second integrator.