Patent ID: 8152293

Claim:
A reservoir for holding a supply of release agent for delivery to an applicator of a drum maintenance unit of an imaging device, the reservoir including: a bottle configured to hold a predetermined quantity of a release agent in an interior of the bottle, the bottle including an opening at one end thereof; an end cap mounted over the opening in the bottle, the end cap including a first opening configured to enable release agent to flow out of the bottle and a second opening configured to enable release agent to flow into the bottle; a float level sensor operatively connected to the end cap to extend into the bottle, the float level sensor including a buoyant member being configured to float in the release agent in the bottle and to move between a first position and a second position, the buoyant member modifying a circuit in response to the float level sensor being in the second position; an uptake tube fluidly coupled to the first opening in the end cap and extending toward a lower portion of the interior of the bottle; a third opening formed through the end cap; a vent tube fluidly coupled to the third opening through the end cap and extending toward an upper portion of the interior of the bottle; and biasing springs attached to each of the uptake tube and the vent tube, the biasing springs being configured to flex to enable the end cap including the float level sensor and the uptake and vent tubes to be inserted through the opening in the bottle, the biasing springs being configured to relax in response to the end cap being mounted on the bottle to enable the uptake tube and the vent tube to move to a position at the lower portion and to a position at the upper portion of the bottle, respectively.