1.Hold the knob cover from the bottom of the product,
rotate clockwise in the direction(as shown below), open
the bottom cover, remove the filter, and remove the
plastic bag of the filter.
2.After the filter plastic bag is removed, put the filter back
into the product, and align the triangle of the bottom
cover with the triangle on the machine counterclockwise
and turn it in the direction of the arrow, as shown below: