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:
Jun. 07, 2016
Filed:
Sep. 09, 2013
Sharp Kabushiki Kaisha, Osaka-shi, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
An image forming apparatus includes a registration roller configured to adjust a starting time point of conveying a paper sheet; a printing unit configured to form a color image or a monochrome image on a photosensitive drum, and transfer the image to the paper sheet at a downstream side with respect to the registration roller in a conveyance direction to print; a line sensor configured to detect a conveyance position at an upstream side with respect to the printing unit in the conveyance direction; and a control unit configured to obtain a displacement amount with respect to a preset reference position based on the conveyance position, correct an image formation position according to the displacement amount to correct a printing position on the paper sheet, and change a correction method for the printing position according to whether any of the color image and the monochrome image is formed.