3. Optical Switch For X Axis Endstop: Make the motion more accurate and smooth.

4. Dual Clean Brush: Prevent the inactive nozzle from dripping material on the printing model to ruin the finish.

5. Filament Run-out Detector: Detect and pause your print if the filament is broken or runs out.

6. Meanwell Power Supply: Famous brand power supply, better quality, longer life and more stable for 3d printer operation.

7. Two-step Modular Design: Two assembled parts (simple base and gantry frame) allow beginners or DIY makers to install the Artist-D Pro within a few minutes. 8. Quick Nozzle Replacement: Featuring an Extruder module with an innovative one-button "Nozzle Eject" system, Artist-D Pro allows you to easily swap nozzles, or quickly replace the nozzle in the event of a clog. 9. Direct Drive Extruders: Less torque from the motor is required to push the filament, providing a more accurate extrusion and making faster retractions. 10. 32 Bit Silent Board & TMC2209 Motor Drive: Equipped with silent stepper motor driver chips. A more smooth printing motion and silent printing environment than other 3D printers'. 11. Resume Printing: Continue to print in case of unexpected power outage, broken or run-out filament or SD Card removing.