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All robotic vacuums need at least ambient light to function, so the room can't be totally dark. The Roomba s-series (s9, s9+) do have an added sensor that allows them to clean on black floors, however. This is a unique step feature to iRobot.
Sorry, there was a problem. Please try again later.The manual says that it won’t work in the dark.
Sorry, there was a problem. Please try again later.I can't imagine that you would have a problem. I have dark carpets and they look great when it's done.
Sorry, there was a problem. Please try again later.Should do fine on the dark floors so long as there is light. It won't do dark rooms.
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