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:
Aug. 03, 2021
Filed:
Dec. 18, 2020
Kyocera Document Solutions Inc., Osaka, JP;
Kanako Morimoto, Osaka, JP;
Tamotsu Shimizu, Osaka, JP;
Kazunori Tanaka, Osaka, JP;
Hiroka Itani, Osaka, JP;
KYOCERA DOCUMENT SOLUTIONS INC., Osaka, JP;
Abstract
According to one embodiment, an image forming apparatus includes an image forming portion, and a control portion. The image forming portion includes an image carrier, a charging device, and a cleaning device. The charging device includes a charging roller which contacts a surface of the image carrier. The cleaning device includes a cleaning blade, and an adjustment portion. The cleaning blade slidably contacts the surface of the image carrier. The adjustment portion adjusts a linear pressure of the cleaning blade exerted on the surface of the image carrier. The control portion executes, when a rate of increase of an outer layer resistance value of the charging roller caused by a decrease in the function of the cleaning blade is greater than or equal to a first rate, linear pressure adjustment control of controlling the adjustment portion to increase the linear pressure of the cleaning blade.