An evacuation station comprising: a base comprising: a ramp having a receiving surface for receiving and supporting a robotic cleaner having a debris bin , the ramp defining an evacuation intake opening arranged to pneumatically interface with the debris bin of the robotic cleaner when the robotic cleaner is received on the receiving surface in a docked position; a first conduit portion of a pneumatic debris intake conduit pneumatically connected to the evacuation intake opening; an air mover having an inlet and an exhaust, the air mover moving air received from the inlet out the exhaust; a canister attached to the base, the canister comprising a second conduit portion of the pneumatic debris intake conduit arranged to pneumatically interface with the first conduit portion to form the pneumatic debris intake conduit when the canister is attached to the base; and a filter bag disposed within the canister and having an inlet opening attached to an outlet of the second conduit portion of the pneumatic debris intake conduit, the filter bag configured to receive debris out of a received flow of air, characterized by : a filter bag detection device configured to detect whether or not the filter bag is present a base comprising: a ramp having a receiving surface for receiving and supporting a robotic cleaner having a debris bin , the ramp defining an evacuation intake opening arranged to pneumatically interface with the debris bin of the robotic cleaner when the robotic cleaner is received on the receiving surface in a docked position; a first conduit portion of a pneumatic debris intake conduit pneumatically connected to the evacuation intake opening; an air mover having an inlet and an exhaust, the air mover moving air received from the inlet out the exhaust; a canister attached to the base, the canister comprising a second conduit portion of the pneumatic debris intake conduit arranged to pneumatically interface with the first conduit portion to form the pneumatic debris intake conduit when the canister is attached to the base; and a filter bag disposed within the canister and having an inlet opening attached to an outlet of the second conduit portion of the pneumatic debris intake conduit, the filter bag configured to receive debris out of a received flow of air, a ramp having a receiving surface for receiving and supporting a robotic cleaner having a debris bin , the ramp defining an evacuation intake opening arranged to pneumatically interface with the debris bin of the robotic cleaner when the robotic cleaner is received on the receiving surface in a docked position; a first conduit portion of a pneumatic debris intake conduit pneumatically connected to the evacuation intake opening; an air mover having an inlet and an exhaust, the air mover moving air received from the inlet out the exhaust; a canister attached to the base, the canister comprising a second conduit portion of the pneumatic debris intake conduit arranged to pneumatically interface with the first conduit portion to form the pneumatic debris intake conduit when the canister is attached to the base; and a filter bag disposed within the canister and having an inlet opening attached to an outlet of the second conduit portion of the pneumatic debris intake conduit, the filter bag configured to receive debris out of a received flow of air, characterized by : a filter bag detection device configured to detect whether or not the filter bag is present <EOS>