Independent support note: This guide applies only to compatible auto-empty and multifunction docks that use a disposable bag. A Roborock with a standard charging dock has no dock bag to empty.

Quick answer: Open the dock’s dustbin cover, lift the full bag out vertically by its handle, discard it, slide a compatible replacement bag fully into place, and close the dock. Do not run a bag-required dock without its bag. If your Roborock has only a charging dock, empty the robot’s onboard dustbin instead.

First: do you have a dust bag?

Your setupWhat to maintain
Standard charging dockOpen and empty the robot’s onboard dustbin after dirty runs.
Auto-empty dockEmpty or replace the dock’s compatible disposable bag; also keep the robot inlet and brush cover clear.
Multifunction wash-and-refill dockReplace the dust bag and also maintain clean-water, dirty-water, and mop-washing parts according to its manual.

Replace a compatible dock dust bag

  1. Make sure the dock is idle. Do not remove a bag during an active auto-empty cycle.
  2. Open the dustbin or top cover in the location shown by the exact dock manual.
  3. Lift the disposable bag straight up by its handle. On Roborock bag designs, removing the handle seals the opening to limit dust leakage.
  4. Place the used bag directly in household trash. Do not pull apart a sealed disposable bag to reuse it.
  5. Slide a compatible replacement fully down into the guide slot. The handle must seat completely.
  6. Close and secure the cover before allowing auto-emptying again.

When should you replace it?

Replace the bag when it is full, the app or dock asks for attention, suction has fallen after other blockages are cleared, or the bag is damaged. Roborock suggests a seven-week interval for Auto-Empty Dock Pure, RockDock Plus, RockDock Ultra, and Multifunctional Dock products, but that is only a starting point. Pet hair, fine dust, multiple daily cleans, and larger homes can fill it sooner.

How to empty the robot dustbin

For a robot without a bag dock—or between dock cycles—remove the robot’s onboard dustbin using its model’s release latch, open the bin over a trash can, and empty it. Clean its filter only in the way the manual permits, and let washable parts dry completely. See how to clean a Roborock for the filter and brush routine.

If the dock is not auto-emptying

  1. Check the app setting and make sure the dock is not in Do Not Disturb time.
  2. Confirm the robot returned after a cleaning run; some docks do not auto-empty after being manually placed on the dock.
  3. Make sure the compatible auto-empty dustbin—not a standard bin—is installed where your model requires one.
  4. Check that the main-brush cover is fitted fully and the robot dust inlet is clear.
  5. Inspect the dock air duct and bag seat for blockage or a bag that is not inserted all the way down.
  6. Stop and use official support if a duct needs disassembly beyond what the manual shows.

Avoid these mistakes

  • Never substitute an incompatible bag just because it looks similar.
  • Do not operate a bag-required dock with no bag installed; Roborock warns this can affect the fan and seals the inlet on some models.
  • Do not spray water into a dock, bag chamber, or air duct.
  • Do not treat a full bag as the only cause of failed auto-emptying; brush-cover and air-duct installation also matter.

Frequently asked questions

How do I empty a Roborock dust bag?

Open the compatible auto-empty dock’s dustbin cover, lift the disposable bag out vertically by its handle, discard it, then slide a compatible new bag fully into its slot before closing the dock. The handle seals many bag designs during removal.

Can I reuse a Roborock dust bag?

Do not empty and reuse a sealed disposable bag unless the exact dock manual says it is reusable. Roborock says its bag handle seals on removal and warns against operating some docks without a bag.

How often should I replace a Roborock dust bag?

Roborock suggests every seven weeks for several compatible docks, but actual replacement depends on home size, shedding, cleaning frequency, and whether the bag is full.

Why is my Roborock dock not auto-emptying?

Check that auto-emptying is enabled, the correct auto-empty dustbin and brush cover are installed, the bag is seated, the robot returned after a cleaning run, and neither the robot inlet nor dock air duct is blocked.

Official sources: Roborock’s bag replacement interval, Auto-Empty Dock Pure manual, auto-empty troubleshooting, and no-bag guidance.