How do you clean and tidy the roller brush?

1. Clean the welt soft bristle bottom brush
a) Toggle the release button of roller brush, and take out the roller brush from the notch;
b) Separate the roller brush from the roller brush side cover. Toggle the roller release button, and take out the roller;
c) Pick up and cut off the hair and fibrous material from the roller brush and roller using scissors. Wipe the dust on the notch and transparent cover plate with dry rag or tissue;
d) Rinse the roller brush, if it is dirty, with clean water until it is clean. When air drying, place the roller brush vertically for at least 24 hours for being thoroughly dried.