1. Introduction
This manual provides essential instructions for the safe and efficient operation of your OMTech Pronto 100W CO2 Laser Engraver & Cutter. Please read this manual thoroughly before operating the machine to ensure proper setup, usage, and maintenance. This model features a 40"x24" workspace, 100W laser power, autofocus, and a water chiller for optimal performance.
2. Safety Information
Operating a laser engraver involves potential hazards. Always adhere to the following safety guidelines:
- Eye Protection: Always wear appropriate laser safety glasses when the laser is in operation.
- Ventilation: Ensure adequate ventilation to remove smoke and fumes generated during engraving and cutting.
- Fire Safety: Keep a fire extinguisher nearby. Never leave the machine unattended during operation.
- Material Compatibility: Only engrave or cut materials approved for CO2 lasers. Avoid materials that produce toxic fumes or are highly flammable.
- Electrical Safety: Ensure the machine is properly grounded and connected to a stable power source.
- Emergency Stop: Familiarize yourself with the location and operation of the emergency stop button.
The OMTech Pronto 100W CO2 Laser Engraver is a Class 2 laser product with 0.827 mW output power.
3. Product Overview
The OMTech Pronto 100W CO2 Laser Engraver & Cutter is designed for high-speed and precise engraving and cutting of various materials. Key features include:
- 100W CO2 Laser Tube: Provides powerful and efficient engraving and cutting.
- 40"x24" (1000x600mm) Workspace: Accommodates large projects.
- Autofocus System: Ensures consistent and precise focusing for optimal results.
- High-Speed Engraving: Up to 1000 mm/s (39.4 inches per second).
- Integrated Water Chiller: Maintains optimal laser tube temperature for longevity and performance.
- Air Assist System: Includes a 125L/min air pump and 540m³/h high-volume fan for clean cuts and smoke removal.
- Two-Way Pass-Through: Allows processing of materials larger than the workbed.
- Adjustable Workbed: 8.7" (220mm) max work height for thicker workpieces.
- Compatible Software: Supports LightBurn, RDWorks, CorelLaser, and more.

Image: Overview of the OMTech Pronto 100W Laser Engraver, showcasing its 100W laser power, autofocus, 24"x40" working area, 1000mm/s max engraving speed, and compatible software.
4. Setup Guide
4.1 Unboxing and Placement
- Carefully unbox the laser engraver and its components.
- Place the machine on a stable, level surface in a well-ventilated area.
- The split chassis design facilitates transportation and setup.
4.2 Connecting the Water Chiller
The included water chiller is crucial for cooling the laser tube. Ensure it is properly connected and filled with distilled water before operation.
- Connect the water inlet and outlet hoses from the chiller to the laser tube.
- Fill the chiller reservoir with distilled water to the recommended level.
- Power on the chiller and ensure water circulates without leaks.

Image: The OMTech Pronto 100W Laser Engraver with its accompanying water chiller, illustrating the importance of proper cooling for the laser tube.
4.3 Exhaust System Setup
Connect the exhaust fan and ducting to the machine and vent outdoors to remove smoke and debris.

Image: A diagram illustrating the high-speed fan and air pump system, designed to efficiently remove smoke and dust from the workspace.
4.4 Software Installation
Install the recommended laser control software (e.g., LightBurn, RDWorks) on your computer. Connect the machine via USB or network.

Image: The OMTech Pronto 100W Laser Engraver shown with a computer displaying compatible software interfaces like LightBurn, RDWorks, and CorelLaser.
5. Operating Instructions
5.1 Power On and Initialization
- Turn on the water chiller, then the laser engraver.
- Wait for the machine to complete its self-initialization process.
5.2 Material Loading and Focusing
- Place your material on the workbed.
- Utilize the autofocus function to set the correct focal distance. The built-in red laser pointer assists with precise adjustments.

Image: The automatic focusing system in action, using a red dot indicator for precise material height adjustment.
5.3 Design and Job Execution
- Import or create your design in the laser software.
- Set appropriate power and speed settings for your material.
- Send the job to the laser engraver and initiate the process.

Image: The OMTech Pronto 100W Laser Engraver actively engraving a design onto a wooden surface, demonstrating its precision and speed.
5.4 Supported Materials
The OMTech Pronto 100W CO2 Laser is suitable for engraving and cutting a wide range of materials:
| Materials Suitable for Engraving | Materials Suitable for Cutting |
|---|---|
| Acrylic | Acrylic |
| Wood | Wood |
| Leather | Leather |
| Rubber | Rubber |
| Paper | Paper |
| Plastic | Plastic |
| Fabric | Fabric |
| MDF | MDF |
| Cardboard | Cardboard |
| Marble | Foam |
| Foam | |
| Fiber Glass |
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your laser engraver.
6.1 Lens and Mirror Cleaning
- Regularly inspect and clean the laser lens and mirrors using specialized lens cleaning solution and wipes.
- Ensure the optical path is clear and free of dust or debris.
6.2 Water Chiller Maintenance
- Monitor the water level and temperature of the chiller.
- Replace the distilled water periodically to prevent algae growth and maintain cooling efficiency.
6.3 General Cleaning
- Keep the work area and machine interior clean from dust and material residue.
- Clean the honeycomb workbed regularly to ensure proper airflow and prevent material buildup.
7. Troubleshooting
Refer to this section for common issues and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Laser not firing | Lid open, emergency stop engaged, water chiller alarm, power supply issue. | Close lid, release E-stop, check chiller, verify power connections. |
| Poor engraving/cutting quality | Incorrect focus, dirty optics, wrong power/speed settings, material issues. | Re-focus, clean lens/mirrors, adjust settings, test on scrap material. |
| Machine not connecting to computer | Loose USB/Ethernet cable, driver issues, incorrect software settings. | Check connections, reinstall drivers, verify software communication settings. |
| Overheating Alert | Water chiller malfunction, insufficient water, high ambient temperature. | Check chiller operation, ensure water level is adequate, operate in a cooler environment. |

Image: Visual representation of the comprehensive safety features, including cover protection, flame-retardant PC board, overheating alert, and low-pressure alarm.
8. Specifications
- Model: OMTech Pronto 100W CO2 Laser Engraver & Cutter
- Laser Power: 100W
- Workspace: 40" x 24" (1000mm x 600mm)
- Max Engraving Speed: 1000 mm/s (39.4 in/s)
- Max Work Height: 8.7" (220mm)
- Air Pump: 125 L/min
- Exhaust Fan: 540 m³/h
- Dimensions: 64.96" × 44.09" × 40.16"
- Weight: 631 lbs
- Laser Class: 2, 0.827 mW output power
9. Warranty and Support
Your OMTech Pronto 100W CO2 Laser Engraver comes with a two-year support period. For any issues or inquiries, please contact OMTech customer service. The product also includes a 30-day refund/replacement return policy.
OMTech provides reliable local support in the U.S., including U.S.-based technical support and 24/7 online customer service.

Image: A visual representation of OMTech's reliable local support team, emphasizing quick response and comprehensive assistance.
10. Official Product Videos
OMTech Laser Engraver for Most People
Video: This video provides a general overview of OMTech laser engravers, highlighting their versatility and ease of use for various applications.
CO2 Laser Engraver and Cutter with Autofocus
Video: A demonstration of the CO2 laser engraver and cutter, focusing on the intelligent autofocus feature for precise material handling and efficient operation.
OMTech Pronto CO2 Laser Engraver
Video: This video specifically showcases the OMTech Pronto CO2 Laser Engraver, detailing its features and capabilities for various engraving and cutting tasks.
Laser Guys from OMTech (Preview)
Video: A preview featuring the "Laser Guys" from OMTech, discussing their experience and the benefits of using OMTech laser machines for their business.





