Please read this entry and consider it carefully before purchasing. USED V400 3D Printer: These printers are returned from Amazon, and some are in very good conditon, like new ones. Some may need to be repaired to work properly. If you want to buy, please make sure you have a certain ability to repair 3D printers. These printers have a three-month warranty. If you need any technical support or spare parts after re-ceiving it, please Contact us and we will help you. FLSUN V400 is the latest Delta-based 3D printer independently developed by FLSUN. Fast printing speed is its biggest advantage. Its max printing speed is 400mm/s, its quality performance is good. Compared with other ordinary 3D printers, printing the same model can save more than 70% of the printing time! Features: Printing Size: 300mmX410mm, Support various 1.75mm diameter printing filaments like PLA,PLA+,ABS,PETG,WOOD,TPU,PC,NYLON(Need dried). Three-axis linkage:The FLSUN V400 is independently developed with a delta structure to achieve 400mm/s high-speed printing, saving more than 70% of the printing time compared to other 3D printers. System firmware:The Klipper firmware is pre-installed, which is simple and convenient to use, bringing a new intelligent interactive experience. Extrusion system: The ultra light short-range extruder is designed, and the extrusion force can reach 70N to meet the requirement of 400mm/s high-speed printing, especially suitable for printing flexible consumables and hard consumables such as PLA. Hot bed platform: The separated magnetic PEI spring steel platform makes the first layer of printing more firmly bonded, and the model selection is simple; The hot bed can be heated to 110 ℃ at most. Suitable setting parameters can print various materials. Automatic leveling: The self developed leveling algorithm can easily solve the first floor problem by compensating the machining error at 25 points. Display system: The 7-inch wide-angle IPS ultra-high resolution interactive screen is adopted, the click operation of the traditional touch screen is abandoned, the same multi touch interaction scheme as that of the Apple phone is used, and the KlipperScreen interface with a new optimized design is used, which is simple and convenient, bringing a new intelligent interactive experience. Modular assembly: customers only need 10-15 minutes to complete the assembly. Resume printing function:Material break detection is supported. After the normal use of consumables, it will automatically pause. After the replacement of consumables, printing will continue. Specification: Brand: FLSUN Model: V400 Material: Aluminum Alloy, Molding Tech: FDM Nozzle Diameter: 0.4mm Filament Support: PLA/PLA+/ABS/PETG/WOOD/TPU/PC/NYLON(Need dried) Precision: ±0.15mm Nozzle Type: Single Nozzle File Format: G-code/UFP(Previewable model) Filament Diameter: 1.75mm Slice Software: Cura(recommend)/Simplify3D/prusaslicer/ideamaker Working Model: Website/Flsun Speeder Pad Voltage: Input:AC 115-230V Output:DC 24V Nozzle Temp: ≤300℃ Bed Temp: ≤110℃ Leveling Type: Auto-Leveling Power: 450W Print Accuracy: + / - 0.15 MM Leveling Mode: Automatic Leveling Control panel: 7-inch interactive smart screen Mainboard: Printing Speed: Max 400mm/s Maximum Idling Speed: 500mm/s Print Model Format: STL,OBJ,AMF,3DS Extruder: short distance extruder Print Size: 300 x 300 x 410mm/11.8 x 11.8 x 16.1in Item Size: 480 x 435 x 1090mm/18.9 x 17.1 x 42.9in Item Weight: 17kg/37.48lb Package Size: 103 x 46 x 19cm/40.6 x 18.1 x 7.5in Package Weight: 20kg/44.09lb Packing List: 1 * FLSUN V400 3D Printer 1 * FLSUN Speeder Pad 1 * Filament holder 1 * Tool kit ( Wrench,Screwdriver,Wire cutters ,Spatula, Touch screen bracket , Heating rod, Thermistor, Grease, ETC) 1 * Nozzle Kit 1 * Nozzle cleaning needle 1 * SD card reader 1 * 4GB SD memory card 1 * PLA Test filament ( 200g ) 1 * User Manual Why can it print at 400mm/s?