1. Introduction
The ACMER S1 is a portable and compact 6W laser engraver and cutter designed for a wide range of materials including wood, plastic, paper, leather, acrylic, and even glass (with colored paper). This manual provides essential information for safe and effective use of your device, from initial setup to advanced operation and maintenance.

The ACMER S1 Laser Engraver, demonstrating its capability to engrave intricate designs on wood.
2. Safety Information
WARNING: Laser radiation can cause eye damage and skin burns. Always wear protective goggles when operating the laser engraver. Never look directly into the laser beam.
- Always wear the provided safety goggles during operation.
- Ensure the filter cover is properly installed to reduce laser damage to your eyes.
- Operate the machine in a well-ventilated area to dissipate fumes.
- Keep flammable materials away from the engraving area.
- Do not leave the machine unattended during operation.
- Keep children and pets away from the device.

The filter cover on the laser module helps protect your eyes by reducing laser light exposure.

Double protection is recommended: use safety goggles and a red laser headset to intercept over 97% of lasers.
3. Package Contents
Verify that all items are present in your package:

Contents of the ACMER S1 Laser Engraver package.
- ACMER S1 Laser Machine
- Laser Module (6W)
- Focus Block
- Hexagonal Wrench (various sizes)
- Plywood Sample
- Aluminum Business Card Sample
- Safety Goggles
- Power Adapter
- Data Cable (USB)
- User Manual
4. Specifications
| Feature | Specification |
|---|---|
| Brand Name | ACMER |
| Model | S1 |
| Laser Type | Diode Laser |
| Laser Power | 6000mw (6W) |
| Laser Wavelength | 445±5nm |
| Engraving Size | 130x130mm (5.1x5.1 inch) |
| Finest Spot Size | 0.04x0.04mm |
| Engraving Speed (Max) | 10,000mm/min |
| Precision | 0.01mm |
| Product Dimensions | 250.2mm x 250mm x 162mm (approx. 9.85 x 9.84 x 6.38 inches) |
| Product Weight | 1.5kg |
| Power Supply | DC12V/2A or DC 12V/3A |
| Voltage | 110-220V |
| Interface Type | USB |
| Operating System | LightBurn/LaserGRBL (compatible with macOS, Windows, Linux) |
| File Format | JPG, SVG, PNG, BMP, G-code, CAD, AI, CDR, DWG, etc. |
| Engraving Materials | Wood, Plastic, Paper, Leather, Acrylic, Glass (requires colored paper) |
| CE Certification | Yes |

Physical dimensions of the ACMER S1 Laser Engraver.
5. Setup Guide
The ACMER S1 laser engraver comes pre-assembled for ease of use. Follow these steps to get started:
- Unpack the Device: Carefully remove the laser engraver and all accessories from the packaging.
- Placement: Place the engraver on a stable, level surface in a well-ventilated area.
- Connect Power: Connect the power adapter to the machine's 'POWER' port and then plug it into a suitable electrical outlet (110-220V compatible).
- Connect to Computer: Use the provided USB data cable to connect the machine's 'TYPE C' port to your computer.
- Software Installation: Install the engraving software (LightBurn or LaserGRBL) on your computer. These programs are widely supported and offer comprehensive control over the engraving process.
- Focusing the Laser: Use the included focus block to set the correct focal length for your material. Place the focus block on the material, lower the laser module until it touches the block, then tighten the module's screws. Remove the focus block.
- Limit Switches: The machine is equipped with increased safety and precision limit switches on both X and Y axes to prevent the laser head from moving beyond the engraving area.

The limit switches ensure precise movement and prevent the laser head from exceeding boundaries.

The integrated frame scale design assists in accurately locating your design workpieces.
6. Operating Instructions
- Prepare Your Design: Create or import your design using LightBurn or LaserGRBL. The machine supports various file formats including JPG, SVG, PNG, BMP, G-code, CAD, AI, CDR, DWG.
- Material Placement: Place the material to be engraved within the 130x130mm working area. Use the frame scale for precise positioning.
- Power On: Press the green 'ON/OFF' button to power on the machine.
- Software Settings: In your chosen software (LightBurn/LaserGRBL), adjust laser power, speed, and passes according to your material and desired effect. Refer to the software's documentation for detailed settings.
- Start Engraving: Initiate the engraving process from the software. Monitor the machine during operation.
- Power Off: Once engraving is complete, power off the machine using the 'ON/OFF' button and disconnect the power supply.

The ACMER S1 offers a 130x130mm (5.1x5.1 inch) engraving area.

The ACMER S1 is compatible with LightBurn and LaserGRBL software across multiple operating systems.
Watch a demonstration of the ACMER S1 laser engraver in action, showcasing its engraving capabilities on various materials.
7. Maintenance
- Cleaning: Regularly clean the laser lens and the engraving area to ensure optimal performance and prevent debris buildup. Use a soft, lint-free cloth and appropriate cleaning solutions if necessary.
- Lubrication: Periodically check and lubricate the guide rails and moving parts to ensure smooth operation.
- Firmware Updates: Check the manufacturer's website for any available firmware updates to keep your device running efficiently.
- Storage: When not in use, store the engraver in a dry, dust-free environment.
8. Troubleshooting
If you encounter issues with your ACMER S1, refer to the following common problems and solutions:
- Laser Not Firing:
- Check if the power adapter is securely connected and the machine is powered on.
- Ensure the USB cable is properly connected to both the machine and your computer.
- Verify that the laser module is correctly installed and focused.
- Check software settings for laser power and enable status. - Poor Engraving Quality:
- Re-check the laser focus using the focus block.
- Adjust engraving speed and power settings in the software. Different materials require different settings.
- Clean the laser lens for any dust or debris.
- Ensure the material is flat and securely placed. - Machine Not Responding:
- Restart the machine and your computer.
- Reinstall the engraving software or update drivers.
- Check for any loose cable connections. - Abnormal Noise:
- Inspect moving parts for any obstructions.
- Lubricate guide rails if they appear dry.
9. User Tips
- Plug Type: The power adapter supports 110-220V. When ordering, specify the correct plug type for your region (e.g., US, EU, UK, AU, JP) to ensure compatibility. For example, users in Santiago, Chile, typically require a 220W compatible plug.
- Material Compatibility: While versatile, the S1 machine does not support the use of all accessories. Please ensure the product size and your intended use are compatible before purchase, as returns or refunds due to size issues are not accepted.
- Experiment with Settings: Different materials and desired effects will require varying laser power and speed settings. Start with lower power and higher speed, then gradually adjust to find the optimal settings for your project.
- Ventilation is Key: Always ensure adequate ventilation to disperse smoke and fumes generated during engraving, especially when working with materials like wood or plastic.
10. Warranty and Support
For any technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact ACMER customer support through the seller's platform or official website. Keep your purchase receipt handy for warranty claims.