iRobot Roomba Combo j8 Enhanced Owner's Manual page 15

Emptying the bin
Emptying the bin from your robot
When your robot senses that its bin needs to be emptied, the light ring indicator
EN
will illuminate in a red sweeping motion toward the rear.
1
Press bin release button to remove bin.
2
Open bin door to empty bin.
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3
Place bin back in the robot.
Emptying the bin from your dock
While cleaning, your robot will automatically return to the dock to empty its bin.
Once complete, it will resume the cleaning job where it left off.
NOTE: If you place your robot on the dock by hand, it will not empty
automatically. In this case, use the iRobot Home App or hold the
clean button down for 2-5 seconds.