What does it consider a Dirt event if this isn't it? : r/roomba
Amazon.com - iRobot Roomba i6+ (6550) Robot Vacuum with Automatic Dirt Disposal-Empties Itself for up to 60 Days, Wi-Fi Connected, Works with Alexa, Carpets, Smart Mapping Upgrade - Clean & Schedule by
300 hours and going strong! Roomba 675 : r/roomba
iRobot Takes Next Step in the Connected Home with Clean Map™ Reports and Amazon Alexa Integration
iRobot Roomba 690 Review: Impressively Clean for Under $500 | WIRED