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:
Apr. 28, 2020
Filed:
Feb. 18, 2019
Konica Minolta, Inc., Tokyo, JP;
Kuniaki Kashiwakura, Toyohashi, JP;
KONICA MINOLTA, INC., Chiyoda-Ku, Tokyo, JP;
Abstract
An image forming apparatus, including: an image former; and a hardware processor which detects a density of an image formed by the image former, controls the image former to continuously perform image formation on a predetermined number of sheets and thereafter form a plurality of types of halftone test images on a sheet, determines whether an image defect is generated and determines a factor causing the image defect by analyzing densities of the plurality of types of test images, executes a recovery mode which is set for each of the factor when the image defect is determined to be generated, and controls the image former to form a charged test image which is formed by the charger charging the surface of the image carrier and an uncharged test image which is formed without charging of the surface of the image carrier by the charger.