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Robot Vacuum Reviews Robot vacuums can cut down on the requirement to clean regularly, but they cannot replace plug-in models. To keep them in good shape, empty the dust bins after each cleaning session. Wipe down the camera and sensors regularly. Replace filters and side brushes when needed. It has a large bin and an auto-empty that is quiet. But its obstacle avoidance still gets caught with cords and socks and it doesn't catch dirt that is close to baseboards. iRobot Roomba 694" The Roomba 694 ro