1. Important Safety Information
Laser engravers are powerful tools that require careful handling. Read and understand all safety instructions before operating the device.
- Eye Protection: Always wear appropriate laser safety goggles (OD4+) when operating the laser engraver. Direct exposure to the laser beam can cause permanent eye damage.
- Fire Hazard: Laser engraving and cutting can generate heat and sparks, potentially causing fires. Never leave the machine unattended during operation. Keep a fire extinguisher nearby.
- Ventilation: Operate the machine in a well-ventilated area to dissipate fumes and smoke produced during engraving/cutting. Some materials can produce toxic fumes.
- Material Compatibility: Only engrave or cut materials specified as safe for diode lasers. Avoid highly reflective materials, PVC, and other materials that produce hazardous byproducts.
- Children and Pets: Keep children and pets away from the operating area.
- Emergency Stop: Familiarize yourself with the location and operation of the emergency stop button.
- Power Supply: Use only the provided power adapter. Ensure the power supply is stable and correctly connected.
2. Product Overview
The Twotrees TTS-55 Pro is a high-performance laser engraving and cutting machine designed for precision and versatility. It features a 5500mW laser module, a large working area, and compatibility with popular software.

Image: Overview of the Twotrees TTS-55 Pro laser engraver, showcasing its design and key components.
3. Setup and Assembly
Follow these steps to assemble and set up your Twotrees TTS-55 Pro laser engraver.
3.1 Unpacking
Carefully remove all components from the packaging. Verify that all parts listed in the packing list are present.
3.2 Mainboard Installation
This video demonstrates the process of replacing and installing the mainboard for the TTS-55 Pro.
Video: Detailed instructions for TTS-55 Pro Motherboard Replacement and Installation.
3.3 Laser Module Assembly
Attach the laser module to the gantry. Ensure it is securely fastened and the cables are properly connected.

Image: A close-up view of the laser module being attached to the engraver's gantry.
This video provides guidance on assembling and disassembling the lifting module.
Video: Instructions for TTS-55 Pro Lifting Module Assembly and Disassembly.
3.4 Initial Focus Adjustment
Adjust the laser focus for optimal engraving and cutting performance.

Image: The laser module focusing on a material for precise engraving.
4. Operating Instructions
Learn how to operate your TTS-55 Pro for various engraving and cutting tasks.
4.1 Software Compatibility
The TTS-55 Pro is compatible with popular laser control software:
- LaserGRBL: (Windows XP/7/8/10)
- LightBurn: (Windows, macOS, and Linux)

Image: Illustration of the TTS-55 Pro's compatibility with various operating systems and software like LaserGRBL and LightBurn.
4.2 Material Engraving and Cutting
The TTS-55 Pro can engrave and cut a wide range of materials.

Image: Examples of materials suitable for engraving and cutting, including wood, acrylic, leather, and metal.
This video demonstrates the DIY laser engraving capabilities of the TTS-55 Pro.
Video: Demonstration of the TTS-55 Pro DIY Laser Engraving Machine in action.
4.3 Air Assist Support
The TTS-55 Pro includes a metal air-assisted nozzle for enhanced cutting performance and cleaner cuts.

Image: Close-up of the laser module, highlighting the air assist nozzle for improved cutting.
5. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your laser engraver.
- Clean the Lens: Periodically clean the laser lens with a soft, lint-free cloth and lens cleaning solution to maintain beam quality.
- Clean the Rails and Belts: Keep the guide rails and timing belts free from dust and debris. Lubricate rails as recommended by the manufacturer.
- Check Connections: Ensure all electrical connections are secure and free from damage.
- Inspect for Wear: Regularly inspect belts, wheels, and other moving parts for signs of wear and tear. Replace components as needed.
6. Troubleshooting
This section addresses common issues you might encounter with your TTS-55 Pro.
6.1 Laser Not Firing
- Check Power: Ensure the machine is powered on and connected correctly.
- Software Settings: Verify that the laser power and speed settings in your software are appropriate for the material.
- Connections: Inspect the laser module's cable connections for looseness or damage.
6.2 Poor Engraving/Cutting Quality
- Focus: Re-adjust the laser focus. An out-of-focus laser will produce blurry engravings or incomplete cuts.
- Speed/Power: Adjust engraving speed and laser power settings. Different materials require different parameters.
- Material Surface: Ensure the material surface is clean and flat.
6.3 Machine Not Moving
- Software Connection: Confirm that the software is properly connected to the machine (USB, Wi-Fi).
- Emergency Stop: Check if the emergency stop button is engaged.
- Cable Connections: Verify that all motor cables are securely connected.
7. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 19 x 6 x 6 inches |
| Item Model Number | TTS-55 Pro-1 |
| Item Weight | 8.23 pounds |
| Manufacturer | Twotrees |
| Laser Power | 5500 mW (5.5W) (Class II) |
| Laser Spot Size | 0.08*0.46mm |
| Engraving Speed | Up to 30,000mm/min |
| Working Area | 300x300mm |
| Technology | LD+FAC+C-Lens compression |
| Control Board | Dual-core 32-bit MCU |
| Connectivity | Online, TF card offline, Wi-Fi |
| Software Compatibility | LaserGRBL, LightBurn |
8. Warranty and Support
For warranty information and technical support, please contact Twotrees customer service.
- Online Resources: Visit the official Twotrees website for FAQs, software downloads, and additional guides.
- Contact Support: Refer to your product packaging or the official Twotrees website for contact details.





