Nowadays, you often drop off your cargo hold luggage yourself.
At the moment, Finnair, Norwegian and SAS use bag drop machines. After printing the luggage tags at the check-in machine and attaching them to your luggage, you can go to the bag drop machine.
Check the location of your airline's bag drop machine on the airport screens.
After that, you can proceed to the security control.
Watch a video on how to use the machines.