KINGROON KP5L 3D Printer Dual Z-Axis High Precision 3D Printing Machine 300x300x330mm Large Build Plate KP5 Upgrade Professional 1.Dual Z-axis Lead Screw Design X Y and dual Z Axis all use the SGR15 Rail Guides , upgrade 50% printing Precision ; 2.96% Pre-Assembly After receiving the machine, start printing within 10-15 minutes for unpacking. 3.Large Printing Size Can be printing max 300*300*330mm size , make more possibilities 4.New Upgrade Titan Direct Extruder *Direct extruder, reduced extruder distance, for more high extruder precision. *More High Extruder Reduction Ratio,1:3 Gear reduction ratio,more stable feeding *Dual Fan , use 5015 and turbine dual fan design , Increase heat dissipation by 50% 5.Use the Glass Hot bed Use Carbon crystalline silicon glass,quick heating and easy to take model 6.2.4'inch colorful touch screen High sensitive screen operating, comfortable and simple to use. 7.Super Silence drivers motherboard make sure the whole printing in quieter movement, won’t make any noise. 8.Filament runout Sensor The runout sensor function, will automatically Pause when filament out or break. 9.The Resume printing The printer can keep printing if the power failure, less worries about the power off. 10.Knob type XY-axis tensioner Without using screwdriver , knob XY axis belt tensioner makes it easy to Adjust the belt tension