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:
Sep. 09, 2014
Filed:
May. 17, 2012
Jun Matsumoto, Kawasaki, JP;
Jun Matsumoto, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The image forming apparatus includes an image bearing member that bears a toner image, an image forming unit, an intermediate transfer unit, a primary transfer member, a cleaning member movable between a contact position and a non-contact position, a voltage application unit, a control unit, a current detection unit, wherein the control unit moves the cleaning member at the non-contact position, determines a transfer voltage based on a current value detected by said current detection unit when a predetermined voltage is applied from said voltage application unit to said primary transfer member before an image formation and in a condition where said cleaning member is at the non-contact position, and applies the transfer voltage to the primary transfer member in the image formation.