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6.2 Clean the infrared receiver and charging connector
6.3 Clean the side brushes or replace
Use the dry soft cloth to clean the sensor in front of the unit.
Use the dry soft cloth to clean the charging connector and the sensor in bottom.
Attention:
Please also clean the dust on charging base, to ensure
it well contact with the unit.
Check the side brushes regularly, and clean the restrains that wind around the brush.
Clean the side brushes by scissors and cloth.
If the brush is damaged, please replace it.
--- Use the screw driver to take out the brush
--- Replace a new brush and use screw driver to secure it.