How to Clean a Robot Vacuum: A Maintenance Routine That Works for Roomba and Roborock

A robot vacuum cleans your floors every day, but it only keeps doing that if you clean it back. The routine is short: empty the bin, clear the brushes, wipe the sensors, rinse or replace the filter, and look after the dock. Skip it and the robot does not break at once. It just picks up less each week, and then it starts to smell, stall or wander.

This guide gives a part-by-part routine for the two robots people ask about most: how to clean a Roomba, and how to clean a Roborock. It also covers mop robots, which add tanks and pads to the list, and a schedule you can follow. Where a maker states a number, we name the maker. Where it does not, we say "check your manual" instead of guessing, because the right interval depends on your model, your pets and your floors.

What You Need

You do not need much. A small pair of scissors or a seam ripper for hair, a dry microfiber cloth for sensors and contacts, a soft brush for the bin, and the maker's cleaning tool if one came in the box. The one purchase worth making early is a set of spare brushes and filters, so a worn part is a five minute swap rather than a week of waiting.

How to Clean a Roomba

iRobot builds its robots around a bin, a filter, a pair of brushes and an edge brush, and its own listings stress the same point for each: a dirty filter weakens suction, and a worn brush does not grab debris as well. That tells you what to watch. The steps below are a general routine for any Roomba. For the exact interval and the exact way to open each part on your model, follow the iRobot manual or the iRobot support page for your robot, since the pages give a schedule per part and it differs between series.

Bin and Filter

The bin is the part you will handle most. A full bin leaves less room for new dust and makes the robot work harder. The filter sits against the bin and catches fine dust. iRobot's kit listings say that a dirty filter weakens your robot's suction power, and one of them states the filter traps 99% of dog and cat dander allergens. That figure is iRobot's own claim for its replacement filter, not a result we measured.

Whether you can rinse a Roomba filter depends on the filter and the model, so read your manual first. If it says to tap and not to wash, do not wash it. When it looks matted, grey all through or bent, replace it instead of cleaning it again.

Brushes and Bearings

Hair is the main maintenance job on a robot vacuum. Even brushes sold as tangle resistant collect some. iRobot says its dual multi-surface rubber brushes do not get tangled with pet hair, but a worn brush "doesn't clean effectively," which is the maker's own wording. Cut away hair as soon as you see it, and look at the ends of the brush for strands that have worked into the housing.

If a brush spins badly even after it is clean, it may be time for a new one. The replacement kits above list new brushes in the box, which is cheaper than waiting until the robot stops picking up.

Edge Brush

The side brush sweeps debris from edges and corners into the cleaning path. iRobot lists its edge-sweeping brushes at an angle for this job, and says worn brushes do not grab debris as effectively. Pull off any hair wrapped around the base, and replace the brush when the bristles splay out or lie flat.

Sensors and Charging Contacts

A robot that keeps stopping, or that does not charge, often has dirty sensors or contacts, not a fault. Wipe the cliff sensors under the front, any camera or lidar window with a dry microfiber cloth, and the metal contacts with a lightly damp cloth that you dry straight after. Do it every time you clear the brushes, since the cost is a few seconds.

Clean Base

If your Roomba empties into a Clean Base, the dock has its own upkeep: a bag you change, a port the dust travels through, and contacts that need wiping. The listings we read for the Roomba replacement kits do not cover the Clean Base, so the bag size and the interval are not stated here. Follow your dock's manual, and look at the self-emptying guide below if you are still choosing a dock. See our self-emptying robot vacuum guide for how the dock types compare.

How to Clean a Roborock

Roborock robots follow the same pattern with a few differences in the details. The company's replacement parts listings, read for this guide, give the clearest numbers of any maker we looked at: a main brush that should be cleaned every 2 weeks and replaced every 6 to 12 months, and a washable filter with the same cleaning and replacement interval. Those are the seller's recommendations for those parts. Your own manual and your own home, particularly one with pets, may call for more often.

Dust Bin and Filter

Roborock's filter listing says to remove and rinse the filter every 2 weeks, tapping gently to remove dirt, and to replace it every 6 to 12 months. It also says the filter is coated with Teflon for long-lasting filtration when cleaned appropriately, and that presence detection stops the robot from running without a filter. In plain terms: rinse it, dry it all the way, never run the robot without it.

A washable filter is the exception, not the rule. A paper or foam filter usually should not be washed at all, so always check which one you have before you hold it under the tap. Our Roborock replacement parts guide lists the filters and brushes by model.

Main Brush

The Roborock main brush listing says to clean the brush every 2 weeks and replace it every 6 to 12 months to keep suction and performance up. It describes an anti-tangle rubber brush with a floating design that sits against hard floors and lifts on carpet. Anti-tangle does not mean tangle-proof, so a houseful of long hair or a shedding dog may need the brush cut clear more often than that.

Mop and Water Tanks

On a mop model, the water tank and the pad need attention after every mop run. Empty the tank, because water that sits in it grows a smell. Rinse the mop pad and hang it or lay it flat to dry. If your Roborock has a mop that lifts on carpet, make sure it moves freely. A pad stuck in place can drag across a rug.

Dock and Dirty-Water Tank

A dock that washes the mop adds a clean-water tank, a dirty-water tank and a wash tray. Empty the dirty tank and wipe the tray on a regular basis, because that tray is where the grime from the mop ends up. The listings we read for the Roborock brush and filter do not cover the dock, so check the manual for your dock about how often to descale, rinse and replace its parts.

Mop Robot Care

A mop robot is two machines in one body, and the wet half needs its own habits. Most of the smells people complain about come from the same cause: water that was left to sit.

Pads

Rinse the pad after each run and let it dry in the open air. A damp pad folded away or left on the robot is where the musty smell starts. Pads wear out as the fibers flatten and no longer lift dirt, so keep a spare set and rotate them.

Tanks

Empty the clean-water tank when you finish, not just the dirty one. Leave the lid open so the tank dries. Use only what the maker says to put in it, because detergent that the robot is not built for can leave residue in the pump.

Odor

If the robot or its dock smells, treat it as a cleaning job, not a fault. Empty and rinse every tank, wipe the tray and the pad, and let the parts air dry before they go back. If a smell comes back within days, replace the pad.

Maintenance Schedule

Use this as a starting point. Where a maker states an interval, it is shown. Where it does not, the table says to check your manual, and that is the honest answer for most Roomba parts, since the iRobot support pages give a schedule per part.

When to Replace Instead of Clean

Cleaning fixes dirt. It does not fix wear. A part is ready to be replaced, not cleaned, when one of these is true.

Brushes

The bristles or rubber fins are bent, shortened or cracked, or the brush no longer touches the floor properly. Both makers' listings tie a worn brush to poorer pickup. If you have a Roomba, our Roomba replacement parts guide shows what fits which model. For a Roborock, see the Roborock parts guide.

Filters

A filter that is matted, stained all the way through, or that stays damp, should be replaced. Suction that drops even after a bin and brush clean is usually the filter. Keep a spare, so you can swap one in while the other dries.

Pads and Dock Bags

Mop pads that are flat or frayed, and dock bags that are full, are consumables. They are made to be replaced.

The Robot Itself

If the bin, brushes and filter are all fresh and the robot still cleans poorly, stops often or will not hold a charge, the problem is not dirt. Check the warranty, and see our guide to how robot vacuums work to see which part is likely to be at fault. If the robot is old, our iRobot Roomba reviews are a good place to look at a newer model.

Robot Vacuum Cleaning FAQ