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The world's first 12W portable laser engraver
$999.99
$899.99
$649.99
$219.99
$319.99
$499.99
$799.99
$549.99
$279.99
$179.99
$199.99
$99.99
$149.99
$20.99
$399.99
$349.99
$44.99
$89.99
$189.99
$69.99
$119.99
$409.99
$9.99
$21.99
$29.99
$41.99
$15.99
$27.99
$39.99
$34.99
With Longer, Make It better
Download Product Manual
LX4 pro- User Manual
Download Product Firmware
FW&UI_LK4_PRO_0_3_1
FW&UI_LK4_PRO_0_3_4
LK4_Pro0.3.2.hex
Marlin1.1.9_LGT0.3.2_LK4_Pro
Marlin1.1.9_LK4_Pro_Source_code
Download Product Software
LONGER 3D Slicer 1.3
LK4 Pro Cura_15.04.3
CH34x_Install_Windows_v3_4
CH340G_ Driver_Windwos
CH341SER_MAC
Download Product Tutorial Videos
Lk4 Pro installation video
3D Printer - Unbox & Setup
Replace hotend components without soldering iron
Adjust X Y Z axis
How to deal with the homing fail issue?
Turn off the no filament alarm function
How to setup the new version of LONGER LK4 3d printer
How to solve abnormal nozzle temperature
How to fix the black screen of printer
LK4 Upgrade Kit to LK4 PRO
How to solve the problem about abnormal bed temperature
The easiest way to fix uneven glass
How to solve LK1 LK4 white screen during printing
How to remove Teflon tube
How to fix the white screen of LK4 printer
How to keep the base of the machine from shaking (leg problems)
Check the main board and switch power supply
Longer LK4 3D Printer
!