Jannie 4.0/4.1: Attach mopping system
If you have the 2-in-1 Jannie 4.0/4.1 or a separate mopping system, you can see here how to attach the mopping system.
This is quite easy to do by filling the reservoir with water. Then close the reservoir and place it in the robot in the same way as the dustbin. Finally, you can attach the mop plate with the mop cloth.
Watch the video here to briefly see how you can do this: