Do dark rugs cause problems with the retractable mop sensor on robot vacuums?

Yes, dark rugs can confuse the retractable mop sensor. The cliff sensors use infrared light, and dark surfaces absorb more of it, so the robot may misread a dark rug as a drop-off and skip it entirely. It’s a minor quirk, not a dealbreaker, but worth knowing if you have dark, low-pile rugs.