[EU/US Direct] Longer LK4 X FDM 3D Printer


Free Fast Shipping in US & EU. Delivered within 3-5 business days !
PS: Non-US and non-EU regions may incur additional customs duties upon receipt, such as the UK and Switzerland.

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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.
  • 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 X LK5 Pro
Printing Technology FDM 3D Printing Technology FDM 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 thickness 0.1-0.4mm 0.1-0.4mm
Support filaments PLA/TPU/ABS/ PETG/Wood PLA/ABS/ PETG
Direct drive extruder  Direct drive extruder  Bowden Extruder
Auto leveling Yes Optional 
Filament Detector Yes Yes
Resume Printing Yes Yes
Hot bed PEI Flexible Steel  Ceramic Coated Glass
Motherboard 32-Bit Open Source & Silent Motherboard 8-Bit Open Source & Silent Motherboard
Connection method  TF card or USB TF card or USB
Hot bed Temperature ≤100°C ≤100°C
Nozzle Temperature ≤250°C ≤250°C
Rated power 320W 350W
Gross Weight 9.78KG 13.5KGS
Printer Dimension 485*465*615mm 580*540*663mm
Package Dimension 540*525*265mm  662*588*193mm

LaserGRBL VS LightBurn Software

LaserGRBL (Free) (Windows): LaserGRBL Download Page

LaserGRBL is one of the best Windows software for image Laser Engraving. It is able to load any image, pictures and logo and send to your laser engrave with few click. It is specifically developed for use with hobbist laser cutter and engraver and could be a good free and easy alternative to picengrave, benbox, T2laser, lightburn for who don’t need more then a simple and effective tool. LaserGRBL is compatible with any engraver based on Grbl v0.9 and Grbl v1.1 standards.

LightBurn (Paid - 30 Day Free Trial) (Windows/Mac OS/Linux): LightBurn Download Page  , Purchase LightBurn software key.

LightBurn is layout, editing, and control software for your laser cutter. With LightBurn you can:

- Import artwork in a variety of common vector graphic and image formats (including AI, PDF, SVG, DXF, PLT, PNG, JPG, GIF, BMP)

- Arrange, edit, and even create new vector shapes within the editor, with powerful features like offsetting, boolean operations, welding, and node editing

- Apply settings like power, speed, number of passes, cut order, brightness & contrast, dithering mode, and much more

- Send the result directly to your laser cutter

LightBurn is a native application written for Windows, Mac OS, and Linux.

We offer free & discreet shipping. Our goal is to ensure that the items are delivered to our customers as quickly as possible.

Country or Region Shipping Method Ships From Shipping Time Shipping Fee
United States UPS US warehouses 3-5 Business Days Free
United States DHL/FedEx China 8-15 Business Days Free

EU Countries

DHL European warehouse 3-5 Business Days Free

EU Countries:  Germany, France, Italy, Austria, Netherlands, Spain, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Latvia, Lithuania, Luxembourg, Malta, Poland, Portugal, Romania, Slovakia, Slovenia, Sweden.

Order Processing

Orders will be processed within 1-2 business days of receipt of full payment.If it is shipped from the shipping warehouse in China, the delivery time will take about 8-15 business days, if it is shipped from a local warehouse, then the delivery time will only take 3-5 business days.This is the estimated time. Exceptional circumstances may extend this time frame (such as holidays, snowstorms, heavy rain, or COVID-19, etc.)

We ship from four warehouses in China, the United States and Europe, so the products in the same order may be shipped from different warehouses, depending on the buyer's location and whether the product is in stock overseas.

If an item you ordered is temporarily out of stock, one of our customer service representatives will contact you. You can choose to wait for restock or cancel your order.

Freight Charge

All products on Htpowlasers are free of postage. Except for remote areas, if the area is remote, you need to pay additional shipping fees. You can consult customer service before selling, and we will choose the best option for you according to the quotation given by the logistics provider.

About Import Tax

Any shipment from our US warehouse or European warehouse is duty-free and customers do not need to deal with import duties. However, any goods shipped from the Chinese warehouse to your country may have tariffs, which will be determined according to your country's customs policy.

Shipping Method and Shipping Time

Once shipped, you will receive a shipping email with the tracking number. Usually you can track your package at: https://www.17track.net

Our goal is to ensure that items are delivered to our customers as quickly as possible.

The shipping methods we use are UPS and DHL,All products sold on Htpowlasers are guaranteed to be delivered within 30 days (excluding exceptions). If you have not received your product after this period of time, you are entitled to a full refund after inspection by post.

Shipping times are estimates. Invalid address, customs clearance procedures, COVID-2019, bad weather or other reasons will cause the delivery time to be longer than expected.


1- Working days: working days refer to Monday to Friday (except holidays and weekends)

2- The times we write are estimated general delivery times
The exact delivery time depends on your location and the origin of the package. If you need more information, please contact our customer service. We will answer your questions as soon as we see your email

If you have any other questions, please contact: htpowlasers@outlook.com

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Longer LK4 X FDM 3D Printer
[EU/US Direct] Longer LK4 X FDM 3D Printer