1. Introduction
The SFX 50W JPT Fiber Laser Engraver is a high-precision marking machine designed for a wide range of materials. Equipped with a JPT LP+ Series laser source and a Dia.80mm rotating head, it offers exceptional performance for engraving and marking tasks. This manual provides essential information for the safe and efficient operation of your laser engraver, covering setup, usage, maintenance, and troubleshooting.
Key features include a 175x175mm marking area, engraving depth of up to 1mm, and compatibility with Lightburn software on Windows XP/Vista/7/8/10. Its robust design ensures stable performance and high reliability for both industrial and personal use.
2. Safety Information
Operating a fiber laser engraver requires strict adherence to safety protocols to prevent injury and damage. This machine is a Class Ⅱ laser product with a laser output of 0.874mW.
- Eye Protection: Always wear appropriate laser safety goggles that are rated for the specific wavelength of the fiber laser (typically 1064nm) when the machine is in operation. Direct or scattered laser exposure can cause severe eye damage.
- Skin Protection: Avoid direct exposure of skin to the laser beam.
- Ventilation: Ensure adequate ventilation in the work area to dissipate fumes and particles generated during engraving, especially when working with certain materials.
- Fire Safety: Keep a fire extinguisher nearby. Some materials can ignite when exposed to the laser. Never leave the machine unattended during operation.
- Electrical Safety: Ensure the machine is properly grounded. Do not operate with wet hands or in damp environments. Disconnect power before performing any maintenance or adjustments.
- Authorized Personnel: Only trained and authorized personnel should operate and maintain the laser engraver.
3. Product Overview and Components
The SFX 50W JPT Fiber Laser Engraver consists of several key components that work together to achieve precise marking. Understanding these components is crucial for proper setup and operation.

Figure 3.1: Main view of the SFX 50W JPT Fiber Laser Engraver with the rotary axis attached. The machine features a blue and silver housing for the control unit and a vertical column with the laser head and work platform.

Figure 3.2: Detailed diagram illustrating the dimensions and key components of the laser engraver, including the elevating mechanism, high-speed galvanometer, lens, lifting hand, control panel, control cabinet, heat emission holes, and working table.
Main Components:
- Laser Source (JPT LP+ Series): Generates the laser beam for marking.
- Galvanometer Scanner: Directs the laser beam rapidly across the marking area.
- F-Theta Lens: Focuses the laser beam onto the material surface.
- Control Board (BJ JCZ): Manages the laser's functions and communicates with the software.
- Work Bed: The platform where materials are placed for engraving.
- Rotary Axis (Optional): Allows for engraving on cylindrical or irregular shaped objects.
- Control Cabinet: Houses the power supply and control electronics.

Figure 3.3: The JPT LP+ Series laser source, responsible for generating the high-quality laser beam.

Figure 3.4: The F-Theta lens, which focuses the laser beam onto the material for precise marking.

Figure 3.5: The D80 rotary axis, an optional component for engraving on curved or cylindrical surfaces.
4. Specifications
Detailed technical specifications for the SFX 50W JPT Fiber Laser Engraver.
| Specification | Value |
|---|---|
| Brand | SFX |
| Model Number | SFX-50GS |
| Laser Power | 50W |
| Laser Source | JPT LP+ Series |
| Laser Class | Ⅱ |
| Laser Output | 0.874mW |
| Marking Area | 175x175mm |
| Engraving Depth | ≤1mm (0.024in) |
| Repetition Rate Frequency | 1-600kHZ |
| Pulse Duration | 200ns |
| Control Board | BJ JCZ (Original) |
| Software Compatibility | EZCAD2, Lightburn |
| Operating System | Windows XP/Vista/7/8/10 |
| Marking Speed | Up to 7m/s |
| Re-position Precision | 0.002mm |
| Electrical-Optical Conversion Rate | Up to 70% |
| Material | Aluminum |
| Color | Silver |
| Product Dimensions | 31.1"L x 20.08"W |
| Item Weight | 131.7 pounds |
| Operation Mode | Automatic |
5. Setup
Follow these steps for the initial setup of your SFX Fiber Laser Engraver:
- Unpacking: Carefully remove all components from the packaging. Verify that all items listed in the packing list (refer to Figure 5.1) are present and undamaged.
- Placement: Place the laser engraver on a stable, level surface in a well-ventilated area, away from flammable materials. Ensure sufficient space around the machine for operation and maintenance.
- Assembly: Connect the laser head assembly to the main control unit. If using the rotary axis, connect it to the designated port on the control unit. Ensure all cables are securely fastened.
- Power Connection: Connect the power cable to the machine and then to a grounded electrical outlet. Ensure the power supply matches the machine's requirements.
- Software Installation: Install the EZCAD2 software or Lightburn software on your computer. Drivers for the BJ JCZ control board may need to be installed separately. Refer to the software's installation guide for detailed instructions.
- Initial Alignment: Perform initial alignment of the laser path and focus. The machine features double red dot focusing for easier alignment.

Figure 5.1: An example packing list and various marking effects achievable with the laser engraver.
6. Operating Instructions
This section outlines the general steps for operating your SFX Fiber Laser Engraver for marking and engraving tasks.
6.1 Basic Operation:
- Power On: Turn on the main power switch on the control cabinet.
- Software Launch: Launch the EZCAD2 or Lightburn software on your connected computer.
- Design Creation/Import: Create your desired marking design or import an existing file (e.g., vector graphics, text).
- Material Placement: Place the material to be engraved on the work bed. Ensure it is stable and properly positioned. For cylindrical objects, use the rotary axis.
- Focus Adjustment: Adjust the height of the laser head using the elevating mechanism until the red guide dots converge, indicating proper focus.
- Parameter Setting: Set the laser parameters (power, speed, frequency, loop count) in the software based on the material type and desired engraving depth. Refer to material testing guidelines for optimal settings.
- Preview (Red Light): Use the red light preview function in the software to verify the marking area and position on your material before starting the laser.
- Start Engraving: Once satisfied with the preview, initiate the engraving process from the software. Ensure all safety precautions are in place.
- Power Off: After completing the task, turn off the laser and then the main power switch.
6.2 Applicable Materials:
The SFX Fiber Laser Engraver is suitable for marking on a wide range of materials:
- All Metals: Aluminum, Stainless Steel, Brass, Copper, Gold, Silver, Titanium, Steel, etc.
- Some Non-metals: Nylon, Light Button, ABS, PVC, PES, etc.

Figure 6.1: Examples of diverse materials and intricate designs that can be marked or engraved with the SFX Fiber Laser Engraver.
7. Maintenance
Regular maintenance ensures the longevity and optimal performance of your laser engraver.
- Cleaning the Lens: Periodically clean the F-Theta lens with a specialized lens cleaning solution and lint-free wipes. Dust and debris can affect laser performance.
- Galvanometer Mirror Cleaning: If necessary, carefully clean the galvanometer mirrors following manufacturer guidelines.
- Work Bed Cleaning: Keep the work bed clean from debris and residue.
- Ventilation System: Ensure the heat emission holes and internal fans are free from dust buildup to maintain proper cooling.
- Cable Inspection: Regularly inspect all cables for signs of wear or damage. Replace any damaged cables immediately.
- Environmental Control: Operate the machine in a clean, dry, and temperature-controlled environment to prevent dust accumulation and condensation.
8. Troubleshooting
This section provides solutions to common issues you might encounter.
| Problem | Possible Cause | Solution |
|---|---|---|
| No laser output | Power not on, emergency stop engaged, software error, laser source issue. | Check power connections, release emergency stop button, restart software/computer, contact support if laser source is suspected. |
| Poor engraving quality / inconsistent marking | Incorrect focus, dirty lens, wrong parameters, material issues. | Re-adjust focus, clean lens, optimize laser parameters (power, speed, frequency), ensure material is flat and clean. |
| Software not connecting to machine | Driver issues, USB cable problem, control board not powered. | Reinstall drivers, try a different USB port/cable, ensure machine is powered on. |
| Machine not responding | Software crash, communication error, hardware fault. | Restart software and machine, check USB connection, contact technical support. |
For issues not listed here or if problems persist, please contact SFX customer support.
9. Warranty and Support
Your SFX 50W JPT Fiber Laser Engraver comes with a 2-year warranty from the date of purchase, covering manufacturing defects and malfunctions under normal use. Please retain your proof of purchase for warranty claims.
For technical assistance, troubleshooting, or warranty inquiries, please contact SFX customer support. Many users have reported excellent support from SFX, including remote assistance for software and driver issues.
Customer Support: Refer to the contact information provided with your product packaging or visit the official SFX website for support details.





