... power on; 8.Operate Convenient:9 silicon buttons;9.High Quality , High Stability:as use high speed ,big power step motor,micro step driver ... stable moving, realized accurate, smooth,and high-speed cutting;13.One lever in behind control all of the pinch roller up and ... mm or 0.1% toleranceMinimum character sizeApproximately 3-5 mm for alphanumeric characters (varies depending on the medium, font, etc.) ...