iRobot Roomba Combo Owner's Manual page 17

2
Fill tank with water or compatible cleaning solution.
EN
3
Attach mopping pad.
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4
Place bin back in the robot.
5
Place on the floor or return the robot to the dock and press the Clean button
on your robot.
If you start a cleaning job from off the dock, the robot will still
NOTE:
end its job on the dock. If it can't find its dock, it will end wherever it
started in your home.