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:
Feb. 24, 1998
Filed:
May. 15, 1996
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention provides an image forming apparatus comprising an electrophotographic photosensitive member, developing means using developing agent including carrier and toner, toner image forming means for forming on the photosensitive member a detection toner image by which toner density of the developing agent is detected, toner density detection means for measuring and detecting density of the detection toner image formed, judge means for judging whether the measured density of the detection toner image is included in a high detection sensitivity area of the detection means, and change means for changing or altering a toner image forming condition of the toner image forming means when the measured density of the detection toner image is not included in the high detection sensitivity area.