Abstract: In a supply magazine of a copying machine closed copy paper packages are arranged in stacked relation. The copy paper has been preconditioned by the manufacturer and provided with a packing that protects the preconditioning.Whenever the copy paper supply for the copying machine has to be refilled, one copy paper package is removed from the supply magazine and advanced to an unpacking device and opened.The unpacked copy paper stack is withdrawn from the opened packing by a withdrawing device and moved to a magazine.The magazine is associated with a sheet separating device which removes individual sheets and advances them to the copying station.