LONGER LK4 X - User Manual

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Summary

Safety precautions

1. Product information

1.1. Printer parameters

A table detailing the printer's specifications and technical capabilities.

1.2. Packing list

Visual representation of all components included in the printer package.

1.3. Printer overview

Identifies and labels the main components and parts of the 3D printer.

2. Printer assembly

2.1. Unpacking the parts

Instructions on how to carefully remove all components from the packaging.

2.2. Install frame and base

Guide on connecting the main frame profile to the printer base using screws.

2.3. Install holders of filament and sensor

Instructions for attaching the filament sensor and filament holder using specific screws.

2.4. Install auto level sensor and touch screen

Steps to mount the auto-leveling sensor and touch screen.

2.5. Connect the cables

Details on connecting various cables for motors, sensors, and power.

2.6. Check the X and Y axis

Instructions to check for wobbling and ensure smooth movement of the print head axes.

2.7. Leveling

Explains manual leveling process using paper to set nozzle-to-bed distance.

3. Machine operation

3.1. Machine control interface description

Details the functions and controls available on the printer's interface.

3.2. Home interface

Displays the main menu with options like Move, File, Tune, and Leveling.

3.3. Move interface

Provides controls for moving the X, Y, and Z axes and filament loading/unloading.

3.4. Tune interface

Allows adjustment of nozzle temperature, fan speed, feed rate, and Z offset.

3.5. Filament interface

Controls filament type selection, heating, loading, and unloading.

3.6. Leveling interface

Details the manual and automatic leveling processes via the touch screen.

3.7. File interface

Shows how to browse and select printable files from the SD card.

3.8. Print interface

Displays real-time print status, progress, and controls like pause/cancel.

4. Installation and use of Cura software

4.1. Software installation

Guide on installing the Ultimaker Cura slicing software and necessary files.

4.2. Add the LK4 X 3 D printer to Cura

Steps to add the specific printer model to the Cura software.

4.3. Import the model

Instructions on importing 3D models (e.g., STL files) into the Cura interface.

4.4. Slicing parameters

Guidance on selecting and customizing slicing parameters for different materials.

4.5. Slice and save Gcode files

Process of generating G-code and saving it to a removable drive.

4.6. Slice and preview

How to preview the sliced model, including nozzle path and supports.

4.7. Print online

Steps for connecting the printer to a computer for direct printing via USB.

5. FAQ manual

5.1. How to update the firmware?

Instructions for updating the printer's firmware using an SD card.

5.2. How to solve a clogged nozzle?

Steps to clean a clogged nozzle using preheating and a needle.

5.3. What to do if the hot bed can not be leveled?

Guidance on resolving issues with bed leveling, both manual and auto.

5.4. How to solve filament does not adhered to the hot bed?

Tips for improving first layer adhesion to the heated bed.

5.5. What to do if the printer can not be printed online?

Steps to diagnose and fix issues preventing online printing.

LONGER LK4 X Specifications

General

Layer Resolution	0.1 - 0.4 mm
Filament Diameter	1.75 mm
Connectivity	USB, SD Card
Print Technology	FDM (Fused Deposition Modeling)
Nozzle Diameter	0.4 mm
Supported Materials	PLA, ABS, TPU
Display	4.3-inch Touchscreen
Nozzle Temperature	Up to 260°C
Power Supply	24V, 360W