1. Introducció
The NEJE DK-8-KZ laser engraving machine is a portable, multi-functional device designed for engraving various materials. It supports common image formats such as BMP and JPG. Users can create their own designs or utilize the "NEJE Scanner" Android application to capture images for direct engraving. The machine operates with a 5V2A USB adapter or mobile power supply, offering portability and flexibility. It provides faster and more powerful engraving capabilities on surfaces ranging from wood to painted metal.
Figure 1: NEJE DK-8-KZ Laser Engraving Machine in operation.
2. Informació de seguretat
WARNING: This product uses a laser. Always follow safety precautions to prevent injury.
- Protecció ocular: Never look directly into the laser beam. Always use the magnetic easy-to-detach protective panel or wear appropriate laser safety glasses during operation to protect your eyesight.
- Parada d'emergència: The ON/OFF button also functions as an emergency stop. Press it immediately if any unsafe condition occurs.
- Ventilació: Ensure adequate ventilation in the work area to dissipate any fumes produced during engraving.
- Materials inflamables: Do not engrave highly flammable materials without proper precautions. Keep a fire extinguisher nearby.
- Nens i animals de companyia: Mantingueu el dispositiu fora de l'abast dels nens i les mascotes.
- Certificacions: The device is CE, FCC, and FDA certified, indicating compliance with relevant safety standards. It is designed to be radiation-free.
Figure 2: Magnetic protective panel for eye safety.
Figure 3: ON/OFF button, also serving as an emergency stop.
3. Producte acabatview
The NEJE DK-8-KZ is a compact desktop laser engraver featuring an all-metal precision mechanical drive screw structure for accurate movement. It includes a cooling fan for heat dissipation and an easily replaceable laser tube. The device is designed for user-friendliness and safety.
3.1 Contingut del paquet
En desembalar, assegureu-vos que hi hagi tots els elements següents:
- NEJE DK-8-KZ Laser Engraving Machine
- Protective Panel (magnetic)
- USB Cables (for data and power)
- Adaptador de corrent de 5 V/2 A
- Sample Engraving Materials
- Manual d'usuari (aquest document)
- Green Focus Piece
Figura 4: Contingut típic del paquet.
3.2 Device Ports and Controls
- Port d'alimentació: Connects to the 5V/2A power adapter or a PC for power.
- Port de dades: Connects to your PC via USB for data transfer and control.
- Botó ON/OFF: Powers the device on/off and acts as an emergency stop.
Figure 5: Power and Data ports.
4. Especificacions
| Característica | Especificació |
|---|---|
| Marca | NEJE |
| Model | DK-8-KZ |
| Opcions d'alimentació làser | 1500MW, 2000MW, 3000MW |
| Longitud d'ona làser | 445nm (Violet Blue) |
| Formats d'imatge | JPG, JPEG, PNG, BMP |
| Mida de la imatge | 490x490 pixels; 0.075mm point distance |
| Image Engraving Pattern | Bitmap engraving |
| Subministrament Voltage | 5V2A (USB) |
| Voltage Rang | AC single-phase and DC 50V or less |
| Tipus d'alimentació | Corrent continu |
| Sistema de suport | XP, Win7, Win8, Win10, Mac OS |
| Programari de suport | Programari NEJE, aplicació NEJE Scanner |
| Idiomes admesos | Xinès, anglès, francès, italià, alemany, japonès |
| Àrea de treball | 38 mm x 38 mm |
| Dimensions del producte | 16 cm x 14.5 cm x 20 cm |
| Pes net | 1.1 KG |
| Mida del paquet | 310 mm x 205 mm x 235 mm |
| Pes del paquet | 1.8 KG |
| Origen | Xina continental |
Figure 6: Supported image formats.
5. Configuració
- Desempaquetar la màquina: Carefully remove the laser engraving machine and all accessories from the packaging. Remove any tape or EPE (Expanded Polyethylene) used for securing components during transit. Check for a pearl cotton pad below the bottom plate and behind the radiator, and remove it.
- Col·loca la màquina: Position the machine on a stable, flat surface in a well-ventilated area.
- Connecteu-vos a l'alimentació: Connect the provided 5V/2A power adapter to the machine's power port and then to a power outlet. Alternatively, you can power it via a USB port on your PC.
- Connexió a l'ordinador: Use the provided USB cable to connect the machine's data port to your computer. The machine is compatible with Windows (XP, 7, 8, 10) and Mac OS.
- Instal·lar programari:
- Per a PC: Install the NEJE software on your Windows or Mac OS computer. Refer to the included software instructions or the NEJE website for download and installation.
- Per a mòbils: Download and install the "NEJE Scanner" app on your Android device. This app allows for hand-drawn creations, photo scanning, and direct transfer to the engraver.
- Comprovació inicial: Turn on the machine using the ON/OFF button. The software should automatically detect and connect to the device.
Video 1: Demonstration of drawing, scanning with the NEJE Scanner app, and engraving.
6. Instruccions de funcionament
6.1 Preparing for Engraving
- Col·locació del material: Place the material you wish to engrave on the engraving platform. Ensure it is stable and flat.
- Ajust del focus: The laser head features a focusing cap. Rotate this cap to adjust the laser focus. Use the provided green focus piece to ensure the minimum focus point is precisely on the surface of the object. A smaller focal point results in better engraving effect and higher precision.
- Panell protector: Always ensure the magnetic protective panel is in place or wear laser safety glasses before starting any engraving task.
Figure 7: Laser focus adjustment for optimal engraving.
6.2 Ús del programari
The NEJE software (for PC) and NEJE Scanner app (for mobile) provide the interface for controlling the engraver.
- Image Selection/Creation:
- Programari de PC: Import images (JPG, JPEG, PNG, BMP) into the NEJE software. The software features a professional word processing algorithm to restore your design accurately.
- NEJE Scanner App: Use the app to scan hand-drawn pictures or existing photos. The app's intelligent algorithm will process the image for engraving and allow direct transfer to the machine.
- Ajust de la imatge: Within the software, you can adjust image size, position, and apply various image algorithms to enhance the engraving characteristics.
- Comença el gravat: Once the image is prepared and settings are configured, initiate the engraving process through the software.
Figure 8: NEJE software interface on various devices.
6.3 Materials suportats
The NEJE DK-8-KZ can engrave a wide range of materials, including:
- Fusta
- Bambú
- Paper cards
- Marfil
- Cuir
- Flammable plastic
- PCBA (Printed Circuit Board Assembly)
- Fruits and food
- Painted materials
Figura 9: Examples de materials gravables.
6.4 Unsupported Materials
La màquina no pot engrave the following materials:
- Metall
- Alumini
- Acrílic transparent
7. Manteniment
- Neteja: Regularly clean the engraving platform and the laser lens to ensure optimal performance and prevent debris buildup. Use a soft, dry cloth.
- Substitució del tub làser: The laser tube is designed for easy replacement. Refer to the software's e-tutorial contents or contact support for detailed instructions if replacement is needed.
- Sistema de refrigeració: The machine features a cooling fan and radiator design. Ensure the fan vents are not obstructed to maintain proper cooling during operation.
- Compatibilitat de la placa base: The motherboard is compatible with multiple power lasers (1000mw 2pin, 1500mw 2pin, 2000mw 2pin, 3000mw 4pin) and supports 2pin MOS control and 4pin TTL control with temperature sensing. This allows for potential upgrades to higher power laser modules.
Figure 10: Motherboard connections for various laser modules.
Figure 11: Laser module wiring details.
8. Solució De Problemes
- La màquina no es connecta: Ensure the USB data cable is securely connected to both the machine and the computer. Verify that the NEJE software is running and that the machine is powered on. Try restarting both the software and the machine.
- El làser no dispara/Gravat feble: Check the laser focus. Ensure the minimum focus point is on the material surface. Verify the laser power settings in the software. Ensure the laser tube is correctly installed and not damaged.
- Engraving Quality Issues: Adjust the image resolution and engraving parameters in the software. Ensure the material is clean and properly positioned. Re-check the laser focus.
- Problemes de programari: If the software is unresponsive or displaying errors, try restarting it. Ensure your operating system and NEJE software are up to date.
9. Consells d'usuari
- Understanding Laser Power (MW): The laser power (1500MW, 2000MW, 3000MW) indicates the strength of the laser. Higher wattage generally means faster engraving speeds and the ability to engrave deeper or on slightly harder materials. Choose the appropriate power level based on your material and desired engraving depth.
- Potència portàtil: The machine's 5V2A USB power requirement makes it highly portable. You can use a standard USB power adapter or even a mobile power bank, allowing you to operate it in various locations without needing a specific 220V outlet.
- Multi-Machine Control: For advanced users or production environments, the NEJE software supports controlling up to 10 machines simultaneously from a single computer, enabling parallel engraving and offline work.
- NEJE Cloud: Explore the "NEJE CLOUD" service for a vast library of engraving materials and designs, which is regularly updated.
10. Garantia i Suport
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact the manufacturer/seller directly. Keep your proof of purchase for any warranty claims.





