DUST REMOVAL DEVICE AND DUST REMOVAL METHOD

A dust removal device capable of normally dedusting a surface of a sheet-shaped object having an edge portion of a shape with protruding parts continuously arranged at predetermined intervals along the longitudinal direction, that is, a dust removal device discharging a gas to a surface of a sheet-shaped object from a discharge outlet while drawing in the gas above the surface of the sheet-shaped object through a suction inlet, the discharge outlet including a first discharge outlet for discharging the gas to portions of the sheet-shaped object other than the edge portion and a second discharge outlet for discharging the gas to the edge portion of the sheet-shaped object , and the suction inlet including a first suction inlet () for drawing in the gas above the surface of the portions of the sheet-shaped object other than the edge portion and a second suction inlet () for drawing in the gas of the surface of the edge portion of the sheet-shaped object