An autonomous coverage robot comprising: a body; a drive system disposed on the body and configured to maneuver the robot; a cleaning assembly disposed on the body and configured to engage a floor surface while the robot is maneuvered across the floor surface, the cleaning assembly comprising: a driven cleaning roller (1834; 1836); a cleaning bin disposed on the body for receiving debris agitated by the cleaning roller (1834; 1836), the cleaning bin comprising: a cleaning bin body having a cleaning bin entrance disposed adjacent to the cleaning roller (1834; 1836), the cleaning bin body having a holding portion in pneumatic communication with the cleaning bin entrance for receiving debris; and a roller scraper disposed at a lower edge of the cleaning bin entrance of the cleaning bin body for engaging the cleaning roller; and an air mover operable to move a continuous flow of air into the cleaning bin entrance, down toward and/or into a lower cleaning bin portion and upward into an air pathway of the air mover; characterized in that the entrance is defined in an upper bin portion of the cleaning bin body and that the roll scraper comprises a substantially linear edge disposed substantially parallel to and substantially spanning the cleaning roller. a body; a drive system disposed on the body and configured to maneuver the robot; a cleaning assembly disposed on the body and configured to engage a floor surface while the robot is maneuvered across the floor surface, the cleaning assembly comprising: a driven cleaning roller (1834; 1836); a cleaning bin disposed on the body for receiving debris agitated by the cleaning roller (1834; 1836), the cleaning bin comprising: a cleaning bin body having a cleaning bin entrance disposed adjacent to the cleaning roller (1834; 1836), the cleaning bin body having a holding portion in pneumatic communication with the cleaning bin entrance for receiving debris; and a roller scraper disposed at a lower edge of the cleaning bin entrance of the cleaning bin body for engaging the cleaning roller; and an air mover operable to move a continuous flow of air into the cleaning bin entrance, down toward and/or into a lower cleaning bin portion and upward into an air pathway of the air mover; characterized in that the entrance is defined in an upper bin portion of the cleaning bin body and that the roll scraper comprises a substantially linear edge disposed substantially parallel to and substantially spanning the cleaning roller. a driven cleaning roller (1834; 1836); a cleaning bin disposed on the body for receiving debris agitated by the cleaning roller (1834; 1836), the cleaning bin comprising: a cleaning bin body having a cleaning bin entrance disposed adjacent to the cleaning roller (1834; 1836), the cleaning bin body having a holding portion in pneumatic communication with the cleaning bin entrance for receiving debris; and a roller scraper disposed at a lower edge of the cleaning bin entrance of the cleaning bin body for engaging the cleaning roller; and an air mover operable to move a continuous flow of air into the cleaning bin entrance, down toward and/or into a lower cleaning bin portion and upward into an air pathway of the air mover; characterized in that the entrance is defined in an upper bin portion of the cleaning bin body and that the roll scraper comprises a substantially linear edge disposed substantially parallel to and substantially spanning the cleaning roller. a cleaning bin body having a cleaning bin entrance disposed adjacent to the cleaning roller (1834; 1836), the cleaning bin body having a holding portion in pneumatic communication with the cleaning bin entrance for receiving debris; and a roller scraper disposed at a lower edge of the cleaning bin entrance of the cleaning bin body for engaging the cleaning roller; and an air mover operable to move a continuous flow of air into the cleaning bin entrance, down toward and/or into a lower cleaning bin portion and upward into an air pathway of the air mover; characterized in that the entrance is defined in an upper bin portion of the cleaning bin body and that the roll scraper comprises a substantially linear edge disposed substantially parallel to and substantially spanning the cleaning roller.