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:
Dec. 28, 2010
Filed:
Dec. 04, 2006
Jun Mochizuki, Toride, JP;
Jun Mochizuki, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes an image bearing member; charging means for applying electric charge to toner; a developing device; an intermediary transfer member; a primary transfer member for transferring the toner image from the image bearing member onto the intermediary transfer member; a secondary transfer member for transferring the toner image from the intermediary transfer member onto a recording material; and toner collecting means for collecting the toner remaining on the intermediary transfer member. The apparatus is operable in a collecting mode in which a voltage is applied to the primary transfer member during one full rotation of the image bearing member in a period of non-toner-image-formation such that absolute value of a current through the primary transfer member is larger than an absolute value of a current through the primary transfer member at the time of primary transfer of the toner image.