LONGER LK4 Pro 3D Printer 90% Pre-Assembled Open Source with 4.3inch Touch Color Screen, TMC Ultra-Quiet Drive, Filament Detector, Resume Printing, Glass Build Platform Large Build Size 220x220x250mm

Key features

• 【UPGRADED STRUCTURE DESIGN】LONGER LK4 Pro uses new aluminum extension profile to enhance structural rigidity and stability. 90% Pre-assembled, the complicated parts such as cantilever, gantry, and nozzle have been assembled before leaving the factory. Tempered glass bed ensures fast heating and strong adhesion.
• 【ULTRA QUIET DRIVE】This 3D Printer is integrated with plug and play TMC2208 ultra-quiet drive modules, which makes printing triple times quieter and give you a more comfortable environment to go on your creating.
• 【4.3inch COLOR SCREEN】 With a 4.3inch full color touch screen, you can say goodbye to the era of manual knobs and dot-matrix display. Optimized UI interface, easy operation, you can view real-time printing information on the screen.
• 【RESUME PRINTING AND FILAMENT DETECTIVE 】LK4 Pro can resume printing even after a power outage occurs, and also can pause the printing automatically when the filament runs out. So you do not need to print from the beginning again in either case, which will save you a lot of time and material.
• 【OPEN SOURCE AND SUPPORT 】With open source firmware, you can try your fantastic ideas on LK4 Pro by changing the C code. In addition, all products have quality assurance, please feel free to contact us or join our community to get support and open sources data if there's any question on printer or operation.