‧ Spot checks (serious defects, minor defects, small defects)> Check ink dots, were missing, missing words, foreign matter point-like defects.
‧ Check linear (vertical linear)> can be set separately short defects (thick and short, needles, etc.) and long defects (thin and long, dragging pulp, etc.)
‧ The planar inspection> RGB WAN way to check the ink fog concentration is relatively small concentration of defects and other changes
