Robotic cleaner with sweeper and rotating dusting pads

An autonomous floor cleaner comprises a D-shaped housing; a brush chamber 222 located proximate a straight-edge portion of the D-shaped housing; a brushroll selectively rotatably mounted in the brush chamber; a controller for controlling operation of the autonomous floor cleaner; a fluid delivery system that includes a supply tank 251 for storing a supply of cleaning fluid; at least one fluid distributor in fluid communication with the supply tank and having at least one outlet; and a fluid delivery pump configured to control a flow of the cleaning fluid to the at least one fluid distributor; and a unitary assembly 246 including the supply tank, brush chamber, and a debris receptacle 244 and selectively removable from the housing and wherein the unitary assembly is configured to be selectively detached from the autonomously moveable housing by rotating the brush chamber with respect to the autonomously moveable housing and then lifting the unitary assembly to releasably detach the brush chamber from the autonomously moveable housing.