Robot vacuum leaves streaks of dust or lines of debris behind it, especially along the center.

Safety first: Turn the robot OFF and place it upside down.

• 1. Remove and inspect brush: Check if the bristles are significantly shorter in the middle or unevenly worn. Replace if necessary.
• 2. Clean brush guard: Remove the brush guard and clean any debris that might prevent the brush from sitting low enough.
• 3. Check brush ends: Ensure the end caps are fully seated and the brush is not bowed.
• 4. Test on flat surface: With the robot on a flat floor, visually confirm that the brush makes full contact across its length.