A droplet discharge device having a droplet discharge head provided with a plurality of nozzles that discharge droplets; a plurality of pressure chambers communicating with the nozzles; and a plurality of pressure generating units for changing a capacity of each pressure chamber by applying a drive signal. The magnet free ends opposite the shunt bar are positioned to conform closely to the shape of a surface to be sealed, forming a narrow gap therebetween containing a multi-polar magnetic field extending beyond the free ends in a direction substantially orthogonal to the surface. The function module creates a temporary table in the database, populates the table with the corresponding data, and executes the fuzzy search on the table according to the termsparameters utilizing the database layer’s native fuzzy search capability. The hood includes a portion operable between first and second positions, such that in the first position, the portion overhangs the waste box to direct odors from the waste box into the hood, and in the second position, the portion allows access to the waste box without removing said hood. Air blowing means is disposed on the back side of the conveyor belt within a region from an outlet roll to an inlet roll of the guide rolls and blows air to an outside.