ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,481, issued on Oct. 7, was assigned to Canon K.K. (Tokyo).
"Image forming apparatus with control of plural power sources" was invented by Yusuke Shimizu (Kanagawa, Japan), Tomoo Akizuki (Kanagawa, Japan), Norihiro Shirahata (Tokyo), Yusuke Sakamoto (Tokyo) and Shunsuke Mizukoshi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "In an image forming apparatus, rotation of an image bearing member is started and stopped in a contact state between the image bearing member and a developing member. During a post-rotation operation, a controller ends application of a charging voltage after changing the charging voltage stepwisely to first and second char...