Make sure you empty and clean the dust compartment regularly
Press the nozzle release button and take the detachable nozzle off the appliance;
Shake the contents of the dust compartment into a dustbin.
Hold the appliance over a dustbin, press the dust compartment release button and remove the dust compartment;
Remove the filter unit from the dust compartment;
Shake the dust compartment with your free hand to empty the contents into a dustbin;
If necessary, clean the dust compartment with a damp cloth;
If necessary, clean the filter unit;
Put the filter unit back into the dust compartment;
To reattach the dust compartment, align the slot on the dust compartment with the projection on the appliance; first attach the bottom of the dust compartment and then push the top of the dust compartment towards the appliance until it locks into place.