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LK5 PRO FDM 3D Printer


  • Large building size of 300x300x400mm(11.8"x11.8"x15.7") with upgraded dual blower kit
  • All-metal integrated design with dual Z axis support kits, stable high-precision printing
  • 90% Pre-assembled & 4.3 inch full-color touch screen, easy to operate
  • The open-source motherboard is equipped with three sets of TMC2208 ultra-silent chipsets for quieter printing
  • Resume printing & run out protection, protect your creation
  • Carborundum glass platform for easier mold taking

  • Product details

    【90% Pre-assembled & Large Print Size】: 90% of the printers are pre assembled, and most of the parts are assembled before leaving the factory. 300*300*400mm large printing size to meet diverse printing requirements. With the reinforcement design of diagonal tie rod, a stable triangle structure is formed, which can effectively reduce the vibration and make the printing more stable.  
    【Upgraded Lattice Glass Plate】: Unlike old printing hotbed, LK5 Pro uses lattice glass plate, which has a microporous structure, which not only makes the model easier to remove but also makes the hotbed flatter, provide better printing effect.
    【TMC2208 Silent Driver & Support Open Source】: Ultra silent TMC2208 driver, 256 subdivision, more fine printing, more delicate texture, ensure noiseless operation, suitable for home and office environment. Open source firmware, customers can change C code according to their own needs.
    【Resume Printing and Filament Detector Function】: The printer can save the printing record when power-off, and continue printing when the power is back again. Auto stop the print and prompt user when the filaments run out or break, saving time and filament.
    【4.3 Inch Full Color TouchScreen】: With 4.3-inch full-color touchscreen, optimized UI interface, easy to operate, can view the printing process in real time, and bid farewell to the traditional manual knob screen.

    Brand: LONGER
    Model: LK5 Pro
    Color: Black
    Input Voltage:
    Output Voltage: 24V
    Frame: Classic Aluminum Frame
    Printing Technology: FDM
    Extruder: Single
    Print Size: 300 * 300 * 400mm
    Layer Thickness: 0.1mm-0.4mm
    Connection: USB Cable, TF Card
    Touchscreen: Yes
    Heated Bed: Yes
    Printing Speed: <120mm/s
    Nozzle Diameter: 0.4mm
    Nozzle Temperature: Up to 250℃
    Filaments: Compatible with PLA/ABS/Wood, etc
    Diameter of Filament: 1.75mm
    Slice Software: Cura/Repetier-Host
    File Format: G-Gode,STL,OBJ
    Supported OS: For Windows/Linux/
    Supported Language: English
    Working Environment
    -Temperature: 10-30℃
    -Humidity: 20-50%
    Product Size: 580 * 540 * 663mm / 22.8 * 21.3 * 26.1in
    Product Weight: 11kg / 24.3lbs
    Package Size: 62.2 * 58.8 * 19.3cm / 24.5 * 23.1 * 7.6in
    Package Weight: 13.04kg / 28.7lbs

    8GB TF card is included.
    5 meters PLA filament is included.(Random Color)

    Packing List:
    1 * 3D Printer Kit
    • 【90% Pre-assembled & Large Print Size】: 90% of the printers are pre assembled, and most of the parts are assembled before leaving the factory. 300*300*400mm large printing size to meet diverse printing requirements. With the reinforcement design of diagonal tie rod, a stable triangle structure is formed, which can effectively reduce the vibration and make the printing more stable.
    • 【Upgraded Lattice Glass Plate】: Unlike old printing hotbed, LK5 Pro uses lattice glass plate.



    LK5 Pro

    Manufacturer Part Number

    LK5 Pro

    Assembled Product Dimensions (L x W x H)

    24.49 x 23.15 x 7.60 Inches


    Order Confirmation:

    As soon as you place your order, you will receive an order confirmation e-mail. This means that we have received your order in our system and pre-authorized your credit card for the purchase.  As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.  If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail.  If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

    Order Shipment:

    If your order is in stock and we process the charges to your credit card, it will ship within five business days from the date of your order.  We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at

    Cancellations & Refunds/Returns:

    Before accepting a return on a product that isn't functioning as it should, Project 3D Printers reserves the right to exhaust any and all means to resolve and/or repair the malfunction through technical support and replacement parts provided by both the manufacturer and Project 3D Printers.  No return will be accepted without reasonable attempts to resolve the issue(s) first.  All returned products must be returned within 10 days of date of purchase.

    Project 3D Printers enforces a strict "No Returns Accepted" policy for opened and/or partially used products, including filament, resin, or any consumable of any size and weight that has been used or opened from its factory and vacuum seal.  Only products and consumables that are unused, and in brand new factory condition are eligible for return to the manufacturer of origin within 10 days of the purchase date.

    If a product is found to be non-functional or defective, the product must be returned with its full original contents within 10 days of the delivery date for inspection of the non-functionality.  If the product is found to be defective or non-functional a full-refund will be given, not including return shipping at the customer's expense.

    All orders cancelled after 48 hours are subject to a $20 administration fee, whether or not your order has shipped.  If you order has shipped, you (the buyer) will also be responsible for actual return shipping charges. Refunds will only be issued to the original credit card that you use when placing your order.  Buyer is responsible for and pays a 20% restocking of the value of the returned item(s).  Buyer pays all shipping fees for the returned item(s). 

    Customs Fees, Tariffs, Duty Fees and Import Taxes:

    Only customers are responsible for their local import taxes, tariffs, duty fees and import taxes incurred during shipping.  To know about your customs import duties please contact your local customs office with this details  (HS Code :8477 Product description: 3d printer or 3d printer kit). If the tax amount is high, we can provide assistance to reduce it.


    We work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price than us within six months of your purchase date please let us know and we will refund your original payment for the difference.  We want you to feel confident that you are getting the absolute best price for the product you are ordering.  If you find that our own website has a lower price for the same item you have ordered within six months of your purchase date will refund the difference as well.

    To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within six months from the date of your order and we will process the credit accordingly.

    Our 100% Price Guarantee has some limitations:

    • You must purchase the item from our website before requesting your Price Match Guarantee
    • Promotions such as rebates and buy one, get one free offers are not eligible
    • The item must be in stock on the competitors website
    • The competitor must be an online store, they may not have a retail location
    • The website can not be a discounter or auction website (ie; eBay, overstock, etc..)
    • The competitor must be an Authorized Retailer of the product in question
    • The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax