LONGER LK4 Instruction Manual
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LONGER LK4 Instruction Manual

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Summary of Contents for LONGER LK4

  • Page 1 LK4 Instruction Manual Longer...
  • Page 2 Catalog A. Product information........................3 (1) Model parameter........................3 (2) Packing List..........................4 (3) Nozzle module exploded view....................5 (4) Machine assembly......................... 6 B． Machine operation........................11 （1）Machine control......................11 C. Installation and use of Changlang 3D slicing software............13 （2）Main interface......................... 12 (1) Software installation......................13 (2) Model selection........................

  • Page 3: Safety Precautions

    Safety Precautions 1) The temperature of the nozzle parts can reach 250 °C during the operation of the machine. To ensure your safety, it is forbidden to touch the model and nozzle directly with your hand while the printer is printing or cooling.
  • Page 4 The front end of the consumable should be fixed on the tray to avoid consumables and affect the next print. To use this printer, it is recommended to use the supplies provided by the company. At present, the quality of consumables sold in the retail market is uneven, and printing is prone to breakage.

  • Page 5: Model Parameter

    A.Product information (1) Model parameter model Machine size 402*382*655mm frame Classic aluminum Machine weight 7.8KG frame Molding FDM (hot melt Package 507*467*190mm production) dimensions Number of nozzles Consumable color Multi-color optional Molding size 220*220*250mm Output 24V Power requirement Layer thickness 0.1-0.4mm operating system Windows,Linux,MAC...

  • Page 6: Packing List

    (2) Packing List www.longer3d.com info@longer3d.com...
  • Page 7 (3) Nozzle module exploded view 4010 fan Air guide Quick pneumatic joint 3010 fan Sheet metal protective case Heat sink Heating block nozzle Thermistor Heater www.longer3d.com info@longer3d.com...

  • Page 8: Machine Assembly

    (4) Machine assembly www.longer3d.com info@longer3d.com...
  • Page 9 www.longer3d.com info@longer3d.com...
  • Page 10 www.longer3d.com info@longer3d.com...
  • Page 11 www.longer3d.com info@longer3d.com...
  • Page 12 www.longer3d.com info@longer3d.com...

  • Page 13: Machine Control

    B． Machine operation （1）Machine control ±X.±Y.±Z（move） Move Head X.Y.Z（home） ±X.±Y.±Z （ 正负移动） Motor unlock Moving distance adjustment Return Nozzle temperature Start printing 喷嘴温度 printing speed Files Page flip Discharge flow Return Pause printing distance 暂停打印 Print interface Parameter Hotbed temperature Stop printing speed of fan Nozzle temperature...

  • Page 14: Main Interface

    Click on the file to enter More Refresh Return Save Page flip Recovery Power failure recovery 返回 （2）Main interface Controls the movement of Open the print file Controls the temperature and print interface. coordinates, whether the of the nozzle and the motor is locked, the moving heating platform,...

  • Page 15: Software Installation

    C. Installation and use of Changlang 3D slicing software (1) Software installation Double-click the LONGER 3D Slicer to enter the installation guide page Click to enter the next step, select the default C drive for installation, otherwise the software will not open...

  • Page 16: Model Selection

    Model selection Open the software and choose the language you want According to the model of the machine purchased, select the corresponding model. Incorrect selection will cause the machine parameters to be incorrect and the printer will not work properly. If it is a machine of another brand, you can also choose other models for related settings or use it.
  • Page 17 (3) Software usage introduction 3D printer supports gcode format files, so you need to import the STL format model into Changlang 3D slicing software for slicing operation. To print a fine model, you need to have a deep understanding of the slicing software that controls the print path.
  • Page 18 Nozzle aperture: 0.4mm. Retraction speed: the speed of retraction when printing the model. Retracted length: The length of the material withdrawn, generally 4.5 ~ 8mm. Initial layer thickness: Print the thickness of the first layer, which is the default. Initial layer line width: 100% will be thicker and denser, just default. Bottom Cut: The length of the bottom cut of the model.

  • Page 19: Printer Connection

    D. Instructions for printing online Changlang 3D printers support online printing operations, but because the computer sends instructions continuously for a long time, there are many different settings on the personal computer (some computers will set the energy-saving mode or the screen mode, etc.) and the computer will freeze if it runs.

  • Page 20: Online Printing

    Open the Changlang 3D slicing software. The first step is to turn on the model. The second step is to open the model settings. The third step is to select the serial port number displayed by each computer. Generally, the larger serial port is selected. Normally select "AUTO" for the special rate.

  • Page 21: Professional Settings

    (4) Professional settings If you want to print a more professional page online, you can set it by the following steps. Select file in the first step, select parameter settings in the second step, and change the print window settings in the third step to professional. Then start printing the page online and it will become a professional page, you can send G codes, you can control the movement of each axis.
  • Page 22 E ． Resume printing and filament run-out detection function （1）Power outage recovery When printing for a period of time and the height of the print exceeds 0.5mm, the power-off icon will be displayed. At this time, the power is turned back on, and the icon can be clicked.
  • Page 23 （2）Filament run-out detection At this point, pull the Teflon tube out of the extruder end, remove the material, refill the consumables to the nozzle, and click the Recovery button to resume printing. www.longer3d.com info@longer3d.com...
  • Page 24 F． FAQ manual Question1: How to update the firmware? 1. Copy these two files to the SD card 2. Then restart the machine and wait for the machine progress bar to complete before the firmware is refreshed. 3. Then the user needs to delete the two files in the SD card to be used normally, otherwise the firmware will be refreshed every time the phone is turned on...
  • Page 25 Question 3: When the machine returns the filament, it can't be returned. What should I do when stuck in the pneumatic joint? 1. Before returning the material, please heat the nozzle first, and then withdraw the consumables as soon as possible. If you can't pump it, you can re-feed the material with the advanced material, and melt the extruded block formed at...
  • Page 26 Question 5: When the machine is leveling, the nozzle moves to the left, it can be leveled normally. When the nozzle moves to the right, it is found that the distance between the nozzle and the heated bed are very far or very close. If the spring is adjusted to the extreme position, it still cannot be leveled.
  • Page 27 Question 6 After the machine heats up, the filament is discharged normally. However, when the printing is performed for the first time, the curling occurs on the platform. After printing several layers, the filaments get out of the platform. What can I do 1.

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