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longer lk1 3d printer

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Q1 :  the LCD screen lights up but doesn’t show any icon when the printer is booted or using 

solution:   https://drive.google.com/open?id=1Rk7GayTI_DXn1owNo6IlXkGT7UXq2gpd 

Q2:  The LCD screen (backlight ) does not light up when the printer is booted or using 

solution:   https://drive.google.com/open?id=1En0GNCRXhnr_C9WKKjXjCXto4W5OGAsM 

Q3:  The LCD screen displays “Detected abnormal temperature of the hotbed”, and the left side of the LCD alarms the hotbed “cold”

solution:   https://drive.google.com/open?id=1-3oCwzZJvD6bSL1L5pv0d9uY2SXEeHLl 

Q4:  The LCD screen displays "Detected abnormal temperature of the hot bed", the left side of the LCD alarm: the hot bed is "Hot"

solution:   https://drive.google.com/open?id=1LkiyfT-53bIRLHYxX82OGORR-A2B5v97 

Q5:  The LCD screen displays "Detected abnormal temperature of the print head", and the alarm print head is "Cold"

solution: https://drive.google.com/open?id=1unFjtrizJ7kEoGke01Mwf4anEhWClwhC 

Q6:  The LCD screen displays "Detected abnormal temperature of the print head" and warns that the print head is "Hot"

solution:   https://drive.google.com/open?id=1QL-A11jxF8cL2r_maazN97LrNcpF6ZNy 

Q7:  The LCD screen shows that the print head and hotbed both are "cold" when the printer is booted or during using.

solution: https://drive.google.com/open?id=1610JZmFmrWZlht1JdokOwQe_Uf7yqLvX 

Q8:  During the startup or use, the print head or the hotbed automatically heats up, the temperature cannot be controlled, and the temperature does not stop until the power is turned off.

solution:   https://drive.google.com/open?id=12HFj7Vyhp7LvOoZMnTByByl9I5VZpGoK 

Q9:  When setting a target temperature or printing file for the hot bed, but the hot bed (aluminum substrate) is not heated.

solution:  https://drive.google.com/open?id=1ALSFvRJfVAsrOHEwsTg5oVc-1R72vdB0 

Q10:When setting a target temperature or print file for the print head (or nozzle), the print head is not heated.

solution:  https://drive.google.com/open?id=1U2Y2YM-UTVxx5GkSO0ojYzyXGsgX538t 

Q11:  The X/Y/Z axis motor doesn’t turn or turn abnormally when leveling or moving the axis operation, the axis movement is not smooth, sometimes it is stuck, sometimes even makes a lot of noise.

solution:  https://drive.google.com/open?id=16kZxcyPvr8JRmZvI-KbVwOYZ5Agz2_zU 

Q12:  The extruder (feeding motor) does not turn normally , or slip / click / stuck .

solution:  https://drive.google.com/open?id=1f4D3VCw2AFX2nx5authNGNw9_vd26cRr  

Q13:  The filament detection switch does not work, no filament can be detected, or always alarms "no filament” while it actually has filament. 

solution:  https://drive.google.com/open?id=1LFsHafjfHJqGs-lxBDRwI-Wbd_ymix1I 

Q14:  The Z axis of the printer can not move up and down properly , but the z-axis motor can rotate. 

solution:  https://drive.google.com/open?id=1AbbnTDGpUpbsAqr5wIKRmiyPhOjobI_M 

Q15:  The print head (hotend ) cooling fan doesn’t work when the printer reboots or during printing. 

solution:  https://drive.google.com/open?id=1Q5Pm9L8ybo2N-NyF3Xq70cWP_n9K_ZC- 

Q16:  During the "move head" operation or printing process, Z axis motor does not rotate or rotate abnormally , such as shake /stuck /slip , etc.

solution: https://drive.google.com/open?id=1X_Ccrd3BLPaIVVK2-FKo-PCp1Xw54jG7 

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  • Assemble Video
  • Maintenance Guidance
  • Longer 3D LK1 Unboxing and Build


  • Longer LK1 - Large Format 3D Printer - Unbox & Setup

  • Longer LK1 3D Printer Assembly Tutorial

  • Longer Lk1 assemblage(unboxing)(french)

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