How the ST-KFIM-01 control the curled edges?

Three sets of Scroll Roller and One set of Air-blowing device to control fabric curled edges.
  1 Before inspection table, the scroll roller will make fabric open totally when inspection.
  2 After inspection, the scroll roller will open fabric curled edges again to make sure an accurate edge-align.
  3 Before rewinding, the scroll roller& Air-blowing device will once more open fabric and eliminate crease for perfect roll generation.