AENBUSLM 20W Laser Engraver Module (160W Built-in Air Assist)
AENBUSLM 20W Laser Engraver Module User Manual
Model: 160W Built-in Air Assist
1. Introduction
This manual provides essential information for the safe and effective use of your AENBUSLM 20W Laser Engraver Module. Please read it thoroughly before installation and operation to ensure optimal performance and safety.
The AENBUSLM 20W Laser Engraver Module features a 160W machine power and 20000mW (20W) optical output laser power. It is designed for precise engraving and cutting tasks, capable of cutting materials such as 25mm pinewood and 18mm black acrylic in a single pass. The module includes a built-in air assist system and a fan cooling system for enhanced performance and material finish.
2. Safety Precautions
WARNING: This is a Class IV laser product. Improper use can result in serious injury, including eye damage and burns.
- Eye Protection: Never look directly into the laser beam or its reflection. Always wear appropriate laser safety goggles when operating the module.
- Skin Protection: Avoid direct contact with the laser beam. The laser can cause severe burns.
- Children and Pets: Keep the laser engraver module out of reach of children and pets at all times. Ensure the operating area is secure.
- Ventilation: Operate the laser in a well-ventilated area to dissipate fumes and smoke generated during engraving or cutting.
- Fire Hazard: The laser can ignite flammable materials. Always supervise the machine during operation and have fire extinguishing equipment readily available.
- Power Supply: Ensure the power supply matches the module's requirements (12V or 24V).

Image 2.1: Front view of the AENBUSLM 20W Laser Engraver Module highlighting safety warnings and key features like 20W output, eye protection, laser cutting, air assist, and fireproof materials.
3. Package Contents
Verify that all components listed below are present in your package:
- AENBUSLM 20W Laser Module
- Slide Rail and Fixing Screws
- External Power Cord
- 3P Line (Control Cable)
- First to Second Line + External Power Cord (Adapter Cable)
- Lens Replacement Tool
- 1.5mm L Wrench
- Focus Fixing Plate
- Replaceable Protective Lens

Image 3.1: Overview of the AENBUSLM 20W Laser Engraver Module and its accompanying accessories, including cables, tools, and mounting hardware.
4. Setup and Installation
The AENBUSLM 20W Laser Engraver Module is designed for easy integration with various laser cutting and engraving machines, CNC routers, and 3D printers.
- Mounting the Module:
Utilize the multi-hole positions on the back of the laser engraver module and the provided slide rail and fixing screws to securely attach the module to your machine's stand. Ensure the module is stable and properly aligned.
- Connecting Power:
The module supports both 12V and 24V power supplies. Connect the appropriate external power cord to the laser module and your machine's power source. The control line installation is plug-and-play.
- Connecting Control Line:
Connect the 3P line (control cable) from the laser module to the control board of your engraving machine. If an adapter cable (First to Second Line + External Power Cord) is required for your specific machine, use it accordingly.
- Focus Adjustment:
The module features fixed-focus technology. Use the provided focus fixing plate to set the correct working distance between the laser lens and the material surface. This ensures the ultra-fine compressed spot (0.06*0.08mm) is achieved for optimal engraving and cutting precision.
5. Operation
The AENBUSLM 20W Laser Engraver Module is engineered for high performance in various applications.
5.1 Key Features
- Powerful Output: 20000mW (20W) optical output power, capable of cutting dense materials.
- Air Assist System: Built-in air assist enhances cutting and engraving quality by clearing debris and reducing charring, resulting in cleaner edges.
- Efficient Cooling: An integrated fan cooling system ensures stable operation and extends the lifespan of the laser diode.
- Ultra-Fine Spot: Quadruple compression spot technology (0.06*0.08mm) provides exceptional precision for detailed work.

Image 5.1: Illustration of the module's cutting ability, showing 18mm acrylic and 25mm pinewood cut in a single pass.
5.2 Material Compatibility
The module is suitable for engraving and cutting a wide range of materials, including but not limited to:
- Wood (e.g., pinewood, plywood)
- Acrylic (black)
- Leather
- Paper and Cardboard
- Some metals (for engraving, not cutting)
- Ceramics and Glass (for engraving)

Image 5.2: Various examples of intricate designs and cuts on wood, showcasing the module's versatility for wood-based projects.

Image 5.3: Examples of engraved metal items, demonstrating the module's capability for marking on metal surfaces.

Image 5.4: Various leather products with engraved designs, illustrating the module's application for leather crafting.

Image 5.5: Examples of engravings on ceramic, glass, and other diverse materials, highlighting the module's broad material compatibility.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your laser engraver module.
- Lens Cleaning: Periodically inspect the protective lens for dust, debris, or residue. Use the provided lens replacement tool and a soft, lint-free cloth with appropriate lens cleaning solution to gently clean the lens. Replace the protective lens if it becomes scratched or damaged.
- Air Assist Nozzle: Ensure the air assist nozzle is clear of any blockages to maintain effective airflow during operation.
- Cooling Fan: Keep the cooling fan vents free from dust and obstructions to prevent overheating. Use compressed air to clear any accumulated dust.
- General Cleaning: Keep the exterior of the module clean and free from dust and material particles.
7. Troubleshooting
This section addresses common issues you might encounter with your AENBUSLM 20W Laser Engraver Module.
| Problem | Possible Cause | Solution |
|---|---|---|
| Laser module does not turn on. |
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| Laser power is weak or inconsistent. |
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| Poor cutting or engraving quality. |
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8. Specifications
| Feature | Detail |
|---|---|
| Model | 20W Laser Engraver Module (160W Built-in Air Assist) |
| Optical Output Power | 20000mW (20W) |
| Machine Power | 160W |
| Laser Spot Size | 0.06*0.08mm (Ultra-Fine Compressed Spot) |
| Air Assist | Built-in |
| Cooling System | Built-in Fan Cooling |
| Input Voltage Compatibility | 12V and 24V (Universal) |
| Product Dimensions | 2.1 x 1.8 x 5.7 inches |
| Item Weight | 1.98 pounds |
| Manufacturer | AENBUSLM |
9. Warranty and Customer Support
AENBUSLM is committed to providing high-quality after-sales service. If you encounter any problems when using our products, please contact our customer service team.
Our professional technicians are available to provide solutions and assistance in a timely manner.
For support, please refer to the contact information provided with your purchase or visit the official AENBUSLM store on Amazon: AENBUSLM Store