Filament Monitor: There is a filament sensor attached to the extruder, once there is lack of filament, it will alarm and stop, then it will continue to print until reload new filament. Dual Z Rod Screws & Motors: It is different from standard CR-10, there are two Z axis screw rods and motors on this printer, it has much more stable performance.Dual Lead Screw design will stabilize the printer on larger, tall prints
