IRobot Roomba 400 Manual
IRobot Roomba 400 Manual. View the IRobot Roomba 400 manual. The IRobot Roomba 400 features a threestage cleaning system, side brush sweeps along edge of walls and into corners, two counter rotating brushes scoop up dirt, hair, and debris into the bin, then the vacuum picks up the remaining fine particles, dirt, and hair. The filter traps dust and small particles. It takes approximately 25 minutes to clean an average room and will pass over the same area of the floor multiple times to ensure total floor coverage. You are viewing the manual and parts listings for the IRobot Roomba 400.