Common Laser Engraving Machine Malfunctions and Solutions

Laser Head Not Emitting Light

1. Observe the ammeter status using the control panel test button:

• No current: Check if the laser power supply is connected, whether the high-voltage cable is loose or disconnected, and whether the signal cable is secure.

• Current present: Inspect for broken lenses or severely misaligned optical paths.

2. Check the water circulation system:

• No water flow: Verify if the water pump is damaged or unpowered.

• Water flowing: Ensure that the inlet and outlet connections are not reversed and that the hoses are not broken or leaking.

3. Manual firing works, but no light when sending data: Check if the computer settings are configured correctly.

Uneven Engraving Depth or Insufficient Depth

1. Verify if the water circulation system is flowing smoothly (check for bent or broken hoses).

2. Check if the focus distance is correct (recalibrate as needed).

3. Inspect the optical path for alignment (recalibrate as needed).

4. Confirm that the paper or material layer is not too thick or overly moist (adjust accordingly).

5. Ensure the crossbeam is parallel (adjust both sides of the belt).

6. Inspect for broken lenses (replace if necessary).

7. Clean the lens or laser tube emission end if contaminated.

8. Confirm water temperature is below 30°C (replace with cooler circulating water).

9. Tighten the laser head or focusing lens if loose.

10. Ensure laser current intensity is at least 8mA.

11. Replace the laser tube if it has aged (replacement is free within the warranty period).

Abnormal Reset

1. Check if the sensor is dusty, loose, or damaged (clean or replace the sensor).

2. Inspect the flexible guide ribbon cable for poor contact or damage (trim or replace the cable).

3. Verify ground connection reliability and check for high-voltage cable damage (re-ground or replace the cable).

4. Check for poor motor wire contact.

Missed Engraving

1. Incorrect initialization with sent data (correct the settings).

2. Reversed operation sequence (re-export the data).

3. Static interference (ensure the grounding is intact).

Misaligned or Incomplete Cleaning and Edging

1. Verify the correctness of the edited file (re-edit if needed).

2. Ensure selected targets do not exceed the working area (reselect the targets).

3. Confirm that software parameters are correctly set (reconfigure as needed).

4. Reinstall the operating system and software if there are computer system errors.

5. Check for consistent tension in left and right belts or adjust a loose rear belt.

6. Tighten the timing pulley or belt if they are slipping or skipping.

7. Ensure the crossbeam is parallel (adjust left and right belts accordingly).

Computer Cannot Output Data

1. Verify software parameter settings (reconfigure as needed).

2. Ensure the engraver is positioned and started before output.

3. Confirm the machine has completed the reset process.

4. Ensure the output port matches the software settings (reconfigure the port).

5. Check the grounding and whether static interference is affecting the data cable.

6. Test with a different computer output port.

7. Reinstall software and reconfigure the settings.

8. Format the computer system disk and reinstall the software.

9. Repair or replace the mainboard serial port if damaged.

Unable to Calculate Path

1. Verify the path calculation method is correct.

2. Confirm the graphic file format is correct (adjust as needed).

3. Uninstall and reinstall the software, then reconfigure the settings.

Common Computer Issues

1. Fonts gradually decrease (reinstall the operating system).

2. Excessive data size prevents laser path calculation (wait or increase computer memory).

3. Unresponsive path calculation for an extended period (restart the computer and test again).