1. Unplug the vacuum cleaner from the power outlet.
2. Locate the two release buttons on the top of the vacuum cleaner.
3. Press and hold the release buttons, and lift the top cover of the vacuum cleaner.
4. Set the top cover aside.
5. Locate the dust cup on the inside of the vacuum cleaner.
6. Press the release button on the dust cup, and lift the dust cup out of the vacuum cleaner.
7. Empty the dust cup and rinse it with water, if necessary.
8. Allow the dust cup to dry completely before reinstalling it.
9. Reinstall the dust cup by inserting it into the vacuum cleaner and pressing down until it clicks into place.
10. Close the top cover of the vacuum cleaner by aligning the tabs on the cover with the slots on the vacuum cleaner, and pressing down until the cover snaps into place.