Patent ID: 9696662
Date: 2017-07-04
CPC Classifications: B08B,G03G

Claim:
1. A cleaning device comprising: an upstream cleaner configured to remove toner from a surface of a cleaning target; a downstream cleaner disposed downstream from the upstream cleaner in a direction of movement of the surface of the cleaning target, the downstream cleaner configured to remove toner from the surface of the cleaning target; a collection member configured to collect toner from the downstream cleaner; and a collection member to collect toner from the upstream cleaner, wherein a surface of the upstream cleaner includes a different texture from that of a surface of the downstream cleaner, each of the upstream cleaner and the downstream cleaner is configured to be applied with a voltage of a predetermined polarity, an absolute value of the voltage to be applied to the downstream cleaner is greater than an absolute value of the voltage to be applied to the upstream cleaner, and the upstream cleaner includes a cleaning brush having a planting density of not less than 15,000 and not greater than 20,000 brush fibers per square inch.