Features:1) Wide applicability, equipped with two versions of shuttle plate standard parts, users can freely choose one of the two bearing versions, applicable to all three print heads. 2) Color change can be achieved by changing the print head, which wastes less consumables. When printing, you only need to change the print head to switch to different color consumables. 3) Print head replacement is stable, more stable than the previous version, and there is no need to worry about the slider falling off when docking with the guide rail.