Xiaomi Mi Robot Vacuum-Mop Essential Manuel D'utilisation page 18

Cleaning the brush
1. Flip the vacuum-mop over and pinch the clips to remove
the brush cover.
2. Remove the brush and brush bearings.
3. Reinstall the brush, then put the cover back on and press
down until it locks into place.
Note: For best cleaning results, it is recommended to replace the brush every
6–12 months.
Cleaning the Cliff Sensors
It is recommended to clean the cliff sensors every three
months by using a so cloth.
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Cliff Sensors