Maintenance
CHANGING THE DUST BAG 
Open the lid.
Lift out the bag holder.
After Lift up the ring to remove the bag from the holder, Insert the cardboard of new bag to the end of the dust bag holder.
Place the dust bag holder back into the dust compartment and close the lid.
Please don’t place the dust bag out of dust compartment. It will cause low suction.
You can purchase dust bags in the shops where you bought this vacuum cleaner or your local samsung distributor.