NEJE Master-2s Plus Laser Engraver User Manual

1. Introduction

The NEJE Master-2s Plus is a versatile laser engraving and cutting machine designed for precision work. Featuring a 32-bit motherboard and a powerful 7.5W optical output laser module, it offers high-speed and accurate engraving and cutting capabilities. This manual provides essential information for safe operation, setup, maintenance, and troubleshooting.

2. Safety Information

WARNING: Laser radiation can cause eye damage and skin burns. Always wear protective eyewear when operating the machine. Never look directly into the laser beam.

• Always wear the provided laser safety glasses during operation.
• Ensure proper ventilation in the work area to dissipate fumes and smoke generated during engraving/cutting.
• Do not leave the machine unattended during operation.
• Keep flammable materials away from the laser engraver.
• The machine is equipped with a built-in MEMS sensor for protection; if accidentally touched or moved, the machine will automatically stop.
• Keep children and pets away from the operating area.

3. Package Contents

Verify that all components are present in your package:

Image showing the NEJE Master-2s Plus laser engraver and its complete set of accessories, including the main unit, laser module, power adapter, USB cable, safety glasses, wrenches, and material samples.

• NEJE Master-2s Plus Laser Engraver Frame
• 7.5W Laser Module
• Power Adapter (AC100-240V, 50/60Hz input; 12V3A output)
• USB Cable
• Laser Safety Glasses
• Wrenches and Hex Keys for assembly
• Test Material Samples (e.g., wood, paper)
• User Manual (this document)
• Other small accessories (cable ties, screws, etc.)

4. Setup

4.1 Assembly

Follow the instructions provided in the quick start guide or video tutorials for assembling the frame and attaching the laser module. Ensure all screws are tightened securely.

Detailed views of the NEJE Master-2s Plus components, including the laser module, control board, and motion system, highlighting key connection points and structural elements.

4.2 Connecting to Power and Computer

1. Connect the power adapter to the machine and then to a power outlet.
2. Connect the machine to your computer using the provided USB cable.
3. Ensure the work area is clear and well-ventilated.

5. Software Installation and Usage

The NEJE Master-2s Plus supports various software options for different user levels.

Illustration of the NEJE Master-2s Plus's software compatibility, showing support for Windows, MacOS, Android, iOS, and third-party software like LaserGRBL and LightBurn, emphasizing its 32-bit motherboard.

5.1 NEJE Software (Beginner-Friendly)

• NEJE App: Available for Android, iOS/iPadOS/MacOS for wireless control.
• NEJE Software: For Windows 7/8.1/10 (Windows 7 requires .NET 4.8). Simple and easy to use for beginners.
• Download links and detailed instructions can be found on the official NEJE Wiki: wiki.nejetool.com.

5.2 Third-Party Software (Advanced Users)

• LaserGRBL: Suitable for CNC programming designers.
• LightBurn: A powerful paid software option for advanced control and design.
• Refer to the NEJE Wiki for setup guides and compatibility information for these software options.

6. Operating Instructions

6.1 Preparing for Engraving/Cutting

1. Place the material to be processed on the working surface. The working area is 255 x 440 mm.
2. Adjust the laser module's focus. The module features a 2-in-1 adjustable lens and a fixed lens (6mm fixed focal length for cutting).


Close-up of the NEJE laser module highlighting its 2-in-1 adjustable lens and fixed lens, suitable for both engraving and cutting applications.

3. Open your chosen software (NEJE App/Software, LaserGRBL, LightBurn).
4. Import or create your design.
5. Set the engraving/cutting parameters (power, speed, passes) according to the material.

Examples of various materials engraved with different power and speed settings, demonstrating the versatility of the NEJE Master-2s Plus for materials like black aluminum oxide, balsa, cutting foam, leather, MDF, paper, plastic, plywood, and wood.
6. Ensure you are wearing laser safety glasses.

6.2 Starting the Process

1. Initiate the engraving or cutting process from the software.
2. Monitor the process closely. If any issues arise, immediately stop the machine.
3. The MEMS sensor will automatically stop the machine if it detects accidental movement or impact.

Image illustrating the working dimensions of the NEJE Master-2s Plus, showing a working area of 255mm (10.04 inches) by 440mm (17.32 inches).

7. Material Compatibility

The NEJE Master-2s Plus can engrave and cut a wide range of materials. The thickness of cutting depends on the density and hardness of the material.

7.1 Engravable/Cuttable Materials

• MDF
• Balsa wood
• Paper
• Wood
• Fabric
• Plastic
• Leather
• Plywood (cutting depth 3-8mm)
• Foam paper
• Anodized aluminum

7.2 Non-Engravable Materials

• Metal (non-anodized)
• Glass
• Stone
• Ceramic
• PCB
• Stainless steel
• Reflective material
• Transparent material

8. Maintenance

Regular maintenance ensures optimal performance and extends the lifespan of your NEJE Master-2s Plus.

• Cleaning: Regularly clean the machine, especially the laser lens, to prevent dust and debris buildup. Use a soft, lint-free cloth.
• Lubrication: Periodically lubricate the guide rails to ensure smooth movement of the laser module.
• Firmware Updates: Check the NEJE Wiki (wiki.nejetool.com) for any available firmware updates to improve performance and add features.
• Storage: When not in use, store the machine in a clean, dry environment away from direct sunlight.

9. Troubleshooting

If you encounter issues, refer to the following common problems and solutions:

For further assistance, please contact NEJE customer support.

10. Specifications

11. Warranty and Support

NEJE provides comprehensive support for its products.

• Warranty: A 2-year warranty is provided for the NEJE Master-2s Plus.
• Customer Service: Lifetime customer service is available. If you have any questions or require operational guidance, please contact NEJE support.
• Online Resources: Visit wiki.nejetool.com for detailed guides, software downloads, and community support.