Patent ID: 9454126
Filing Date: 2016-09-27
CPC Classification: G03G

Claim Text:
1. A cleaning device, comprising: a first cleaner to receive a first voltage having a same polarity as a polarity of a normally-charged toner, the first cleaner disposed facing a cleaning target; a first collecting roller to collect toner adhering to the first cleaner; a first scraping blade to scrape toner adhering to the first collecting roller; a second cleaner to receive a second voltage having a polarity opposite to a polarity of the normally-charged toner, the second cleaner disposed downstream from the first cleaner in a traveling direction of the cleaning target; a second collecting roller to collect toner adhering to the second cleaner; a second scraping blade to scrape toner adhering to the second collecting roller; a third cleaner to receive a third voltage having a polarity opposite to the polarity of the normally-charged toner, the third cleaner disposed downstream from the second cleaner in the traveling direction of the cleaning target; a third collecting roller to collect toner adhering to the third cleaner; and a third scraping blade to scrape toner adhering to the third collecting roller.