Turn head adjustment screw which mounted on right side of the carriage. SWJ-320S series can be adjusted head height from 2.0mm to 4.0mm (Single step form) depending on the media thickness.
*Recommended head height is less than 2mm. Please note that if head height is too high, Ink drop (mist) may have splattered and influenced to print quality.
For more information, please read the Operation manual.