Daily and weekly tasks that keep suction consistent
After each run or every couple of runs (depending on mess), empty the onboard bin. A small bin fills faster than most people expect, especially with pet hair and kitchen crumbs. When the bin is packed, airflow drops and the robot starts leaving grit behind even if it is -running normally.- If you have a self-empty base, still check the robot’s bin occasionally because hair can bridge at the inlet and reduce emptying effectiveness.
Once a week, do a quick inspection: look for debris packed around the roller area, check that the bin door seals properly, and wipe out the bin if dust is caked inside. If your robot has a small internal air channel between the bin and filter, make sure it is not blocked. A simple habit helps: if you notice the robot getting louder, leaving lines of debris, or finishing with a half-cleaned look, treat that as a maintenance cue, not a settings problem.
Roller and side-brush cleaning for hair and string
The main roller (or dual rollers) is where most performance loss starts. Hair and string wrap around the roller ends and can jam the bearings, which increases drag and reduces agitation on carpet. Pop the roller out and remove hair from the bristles or rubber fins. Pay special attention to the roller end caps because hair hides there and causes squealing or poor pickup. If your robot includes a small cleaning tool, use it, but scissors work too if you are careful.
The side brush is mainly for edges and corners, and it tangles easily. When it is wrapped with hair, it stops sweeping debris into the robot’s path, so you see dust lines along baseboards. Remove the side brush and clear the hub area. If the brush is permanently bent or missing bristles, it will flick debris instead of guiding it. Replacing a worn side brush is a small cost that can noticeably improve edge pickup and reduce how often you need to do manual touch-ups.
Filter care: what you can tap out vs replace
The filter is the robot’s -lung.- As it loads with fine dust, airflow drops and the robot can start smelling dusty. Many filters can be tapped gently over a trash can to knock out loose dust. Do not assume you can wash every filter. Some are designed to stay dry, and washing can ruin the material or cause it to grow musty if it never fully dries. If your manual says the filter is washable, let it dry completely before reinstalling.
Replacement matters more than people think because filters clog in a way you cannot always see. If you have pets, lots of carpet, or you run the robot daily, expect to replace filters more often. A practical sign is when the robot’s bin is not very full but pickup is worse, or when dust seems to puff out during emptying. Keep a spare filter on hand so you do not postpone maintenance and run the robot in a half-clogged state for weeks.
Sensor and wheel cleaning to prevent navigation issues
Sensors are what keep the robot moving confidently. Cliff sensors (the small windows underneath) prevent falls, and docking sensors help it find home. When these get dusty, the robot may avoid dark rugs, stop at thresholds, or fail to dock even though nothing changed in your home. Wipe sensor windows with a soft, dry cloth. Also check the front bumper area for stuck grit that can make the robot think it is constantly bumping into something.
Wheels collect hair and thread too. If the drive wheels cannot spin freely, the robot may veer, struggle on rugs, or leave uncleaned strips because it cannot maintain a straight path. Flip the robot over and remove wrapped hair from wheel edges and the caster wheel (the small swiveling wheel). If the caster is jammed, the robot can drag and scuff floors. A quick wheel check every week or two prevents a lot of -why is it acting weird- moments.
What this guide helps you understand
If you only do three things, do these: keep the bin from overfilling, clear hair from rollers and brush hubs, and keep filters and sensors from clogging. Those directly control pickup, odor, and whether the robot can finish a run.
Set a repeating reminder for weekly roller and side-brush cleaning, and keep one spare filter available so you can swap instead of delaying.