Roborock H6 CE - Manual (Page 18)

Maintenance
4. The dustbin should be rinsed with water at least once a
month. Charging contacts should also be wiped with a soft,
dry cloth once a month.
Cleaning the dustbin
3. Push the Dustbin Removal Latch next to the dustbin
after emptying it to remove the dustbin for cleaning.
Note:
Do not clean the dustbin with detergents, polishes, or air fresheners.
Do not put the dustbin in a dishwasher or any similar appliance.
5. When the dustbin is thoroughly dry, re-install it as shown.
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Charging Contacts
Dustbin Removal Latch
Charging Contacts
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