DAJA DJ7 Portable Laser Engraving Machine User Manual

1. Introduction

The DAJA DJ7 Portable Laser Engraving Machine is a versatile and compact device designed for DIY enthusiasts and small to medium-sized businesses. It features an ultra-light aluminum alloy construction, making it highly portable. The machine supports both computer and mobile phone control, offering ease of operation for engraving and cutting a wide range of materials.

Figure 1: DAJA DJ7 Portable Laser Engraving Machine highlighting connectivity and engraving area.

2. Safety Information

Always prioritize safety when operating the laser engraver. Failure to follow safety guidelines can result in injury or damage to the equipment.

• Eye Protection: Always wear the provided safety glasses (or equivalent laser-protective eyewear) when the machine is in operation to protect your eyes from laser radiation.
• Ventilation: Operate the machine in a well-ventilated area to avoid inhaling fumes produced during engraving or cutting, especially with materials like plastic or leather.
• Flammable Materials: Do not engrave or cut highly flammable materials without proper precautions. Always supervise the machine during operation.
• Children and Pets: Keep children and pets away from the operating machine.
• Power Supply: Use only the specified power supply (Input: 100V-240V 50/60 Hz, Output: 5V/12V).
• Emergency Stop: Familiarize yourself with the emergency stop procedure.

Figure 2: The DJ7 engraver shown with included safety glasses and sample materials.

3. Setup Guide

1. Unpacking: Carefully remove all components from the packaging. Verify that all parts are present according to the packing list.
2. Placement: Place the engraver on a stable, level surface in a well-ventilated area.
3. Power Connection: Connect the power adapter to the engraver and then to a suitable power outlet (100V-240V AC, 50/60Hz).
4. Software Installation (Computer):
   • Download the appropriate software for your operating system (Windows XP/7/8/10).
   • Follow the on-screen instructions to install the software and drivers.
5. App Installation (Mobile Phone):
   • Download the official DAJA engraving app from your device's app store (Android/iOS).
   • Follow the in-app instructions for initial setup and connection.
6. Connectivity: Connect the engraver to your computer via USB or establish a wireless connection with your mobile device as per software/app instructions.
7. Initial Test: Perform a small test engraving on a scrap piece of material to ensure proper functionality and laser alignment.

Figure 3: The DJ7 supports multi-connection modes via computer and mobile phone.

4. Operating Instructions

4.1. Preparing Your Design

• Create or import your design using the DAJA software or mobile app.
• Supported graphic formats include AI, PLT, DXF, BMP, Bitmap/vector diagrams, JPG, SVG, PNG, DWG.
• Adjust the design size to fit within the 150x150mm engraving area.

4.2. Material Placement

• Place the material to be engraved or cut flat on the working surface.
• Ensure the material is stable and will not shift during operation.

4.3. Software/App Settings

• Material Selection: Choose the appropriate material type from the software/app settings. This will automatically adjust recommended laser power and speed.
• Power & Speed: For optimal results, fine-tune the laser power and engraving speed. The DJ7 offers engraving speeds up to 1000mm/s.
• Preview: Use the software/app's preview function to visualize the engraving area and ensure correct placement before starting. The video demonstrates this with a grid overlay.

4.4. Starting Engraving/Cutting

• Once settings are confirmed, initiate the engraving or cutting process from the software/app.
• Monitor the process closely, especially for new materials or complex designs.

4.5. Supported Materials and Capabilities

The DJ7 is capable of engraving and cutting a wide variety of materials:

• Engraving (7W & 15W models): Wood, paper, plastic, leather, bamboo, bones, teeth, acrylic.
• Engraving (15W model only): Primary color 304/201 stainless steel, some dark-colored anodized, electroplated, or electrophoretic painted metal materials.
• Cutting (7W model): Paper, wood, leather, non-woven fabric (up to 1mm thickness). Note: White materials may reflect light and cannot be cut.
• Cutting (15W model): Paper, wood, leather, non-woven fabric, cake, glitter paper (up to 1.5mm thickness). Note: White materials may reflect light and cannot be cut.

Figure 4: Multi-material display showcasing engraving and cutting capabilities.

Figure 5: The DJ7 is suitable for various applications and industries.

5. Maintenance

Regular maintenance ensures the longevity and optimal performance of your DAJA DJ7 engraver.

• Cleaning:
  • Ensure the machine is powered off and unplugged before cleaning.
  • Gently wipe the exterior of the machine with a soft, dry cloth.
  • Periodically clean the laser lens with a specialized lens cleaning wipe or solution to maintain engraving precision.
  • Remove any debris or dust from the engraving area and fan vents to prevent overheating and ensure proper air circulation.
• Storage: Store the engraver in a clean, dry environment, away from direct sunlight and extreme temperatures.
• Laser Module: Avoid touching the laser module directly. If replacement is needed, refer to the official service guidelines.

6. Troubleshooting

This section addresses common issues you might encounter. If the problem persists, please contact customer support.

• Machine Not Powering On:
  • Check if the power adapter is securely connected to both the machine and the power outlet.
  • Ensure the power outlet is functional.
• Laser Not Firing/Weak Engraving:
  • Verify that the laser power settings in the software/app are appropriate for the material.
  • Check if the laser lens is clean and free of debris.
  • Ensure the material is within the focal range of the laser.
• Connection Issues (Computer/Mobile):
  • For computer connection, ensure USB drivers are correctly installed. Try a different USB port or cable.
  • For mobile app connection, ensure Bluetooth or Wi-Fi is enabled and the device is paired correctly. Restart the app and the engraver.
• Engraving Quality Issues (Blurry/Inaccurate):
  • Ensure the material is firmly secured and does not move during engraving.
  • Check the laser focus.
  • Adjust engraving speed and power settings.
  • Clean the laser lens.
• Machine Disconnection During Operation:
  • The self-developed D4 chip is designed for improved stability and to eliminate disconnections. If this occurs, check your connection (USB cable, Wi-Fi signal strength) and restart the operation.

Figure 6: The D4 self-developed chip enhances stability and continuous operation.

7. Technical Specifications

Figure 7: Compact dimensions and light weight of the DJ7 engraver.

Figure 8: Overview of new upgrade features for enhanced performance.

Figure 9: Enhanced precision with the 0.01mm laser spot of the new D4 upgrade.

8. Warranty and Support

The DAJA DJ7 Laser Engraving Machine comes with a 1-Year Warranty covering the product and its core components (Motor). For warranty claims or technical support, please contact your retailer or the manufacturer directly.

9. User Tips

• Start with Low Power: When using a new material, always start with lower laser power and gradually increase it to find the optimal setting for your desired effect.
• Test Engravings: Before committing to a final project, perform small test engravings on scrap pieces of the same material to fine-tune settings and ensure desired results.
• Keep Software Updated: Regularly check for and install updates for the engraving software or mobile app to benefit from new features, improved performance, and bug fixes.
• Clean Regularly: A clean laser lens and engraving area are crucial for consistent and high-quality results.
• Use Safety Glasses: Always wear the provided safety glasses during operation, even if you are just observing.