LONGER LK4 X FDM 3D Printer
LONGER LK4 X FDM 3D Printer 4
LONGER LK4 X FDM 3D Printer 3
LONGER LK4 X FDM 3D Printer 5
LONGER LK4 X FDM 3D Printer 2

LK4 X FDM 3D Printer

Regular price $369.99 Sale price$299.99
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  • Powerful direct dual-gear extruder, compatible with more filaments, smoothly prints
  • 95% Pre-assembled & intelligent automatic leveling, free your hands, make 3D printing easier
  • Building size of 8.66"*8.66"*9.84" (220*220*250mm),  meets routine requirements and lower power consumption
  • Flexible PEI film for easier mold taking
  • The 32-bit open-source motherboard is equipped with four sets of ultra-silent modules, creates freely
  • Resume printing & run out protection, don't worried about accidents
  • Fast shipping in 1-2 business days from the nearest US/Czech warehouses.
    PS: Non-US and non-EU regions may incur additional customs duties upon receipt, such as the UK and Switzerland.


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Fast shipping in 1-2 business days from the nearest US/Czech/CN warehouse.

Orders may be seperated to ship, learn more about Shipping.

Intelligent Auto Leveling

With 16-point exact leveling, the unevenness of the hot bed is automatically compensated, deducting the hassle of manual leveling, and improves printing

Direct Dual-gear Extruder and Compatibility

Longer LK4 X features a direct dual-gear extruder with a 5:1 reduction ratio, stronger and more accurate filament control, and is compatible with PLA, TPU, ABS, PETG,and Wood.

32-Bit Open Source &  Ultra Silent Motherboard

A 32-Bit main control chip is outfitted with 4 kits of TMC2208 ultra-silent chipsets, printing fastly and quietly. With open-source firmware,  you have more creative freedom.

Strong adhesion & Simpe Removal of PEI Film

The platform is built of premium spring-flexible steel that allows for simple filament adhesion to the print bed without the use of adhesive. And simply removes the printed model by just removing the PEI sheet and slightly bending it.

Resume Printing & Run Out Protection

Longer LK4 X is equipped with a double resume printing function after filamentrun runs out or power is lost, algorithms record and detect the printing process in real time , saving both time and filament.

Easy Assembling

95% Pre-assembled, with only 6 steps to complete the assembly, reduces operation time and trouble, quickly starts printing. 

Large Touch Screen 

Longer LK4 X with a 4.3 inch full-color touch screen, you can say goodbye to the era of manual knobs and dot-matrix display, easy to operate.

Dual Fan Blower Kit

With dual blower kit, the filament can be cooled quickly after extrusion so that the model is not prone to deformation or wire drawing.

Low Power Consumptions

A building size of 8.66"*8.66"*9.84" (220x220x250mm) is sufficient for daily use, and lower power consumption reduces energy using.

Manual Belt Tensioners

The X/Y-Axis knob tensioners may easily and  timely adjust the belt's tension,  prevent layer shifting, enabling better printing.

Improved Teflon Tube 

The new teflon tube stand higher temperatures and not easy to clog inside the nozzle and will provide constant quality of printing.

Model Number LK4 XLK5 Pro
Printing TechnologyFDM 3D Printing TechnologyFDM 3D Printing Technology
Working Area 220*220*250mm(8.66"x8.66"x9.84") 300*300*400mm (11.81"*11.81"*15.75")
Printing speed≤180mm/s≤180mm/s 
Printing accuracy±0.1mm±0.1mm
Layer thickness0.1-0.4mm0.1-0.4mm
Support filamentsPLA/TPU/ABS/ PETG/WoodPLA/ABS/ PETG
Direct drive extruder Direct drive extruder Bowden Extruder
Auto levelingYesOptional 
Filament DetectorYesYes
Resume PrintingYesYes
Hot bedPEI Flexible Steel Ceramic Coated Glass
Motherboard32-Bit Open Source & Silent Motherboard8-Bit Open Source & Silent Motherboard
Connection method TF card or USBTF card or USB
Hot bed Temperature≤100°C≤100°C
Nozzle Temperature≤250°C≤250°C
Rated power320W350W
Gross Weight9.78KG13.5KGS
Printer Dimension485*465*615mm580*540*663mm
Package Dimension540*525*265mm 662*588*193mm

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