Step 1. Power off the machine and move the laser module to the middle of the machine.
Step 2. Use a screwdriver to remove the 4 screws on the top of the laser head.
Step 3. Remove the fan's cover, the fan and disconnect the air tube.
Step 4. Remove the 2 screws on the right side of the laser module and take the air tube out of the laser module.
Step 5. Move the laser module to the right corner and unplug the wire.
Step 6. Remove the 4 screws on the back of the laser module.
Step 7. Congrats! You have removed the laser module.