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Installing 10w Laser unit – Emblaser Core

Here are the steps needed to replace the existing 5w laser unit with the 10w version.

Please follow them carefully and contact us if you run into any problems: help@darklylabs.com

Tools Needed:

  • 10W laser Unit
  • Metal bracket & plastic belt plate (attached together)
  • 1x M3x35mm bolt
  • 3x M2x5mm screws
  • Focus Calibration card
  • Torx T10-Security tool
  • Philips PH1 tool
  • Hex 2.5mm tool
  • Hex 1.3mm tool

Note: Your 10w laser upgrade is supplied with these required parts and tools.

Step 1:

Before you start this replacement, please make sure your laser is at the top of it’s movement. This is easily done by turning your machine on and letting it ‘home’ itself.

*** IMPORTANT: Please make sure you turn your machine off and power unplugged before proceeding ***

Removing the Silicone Nozzle is also recommended.

Unplugging the nozzle gives you some more room to work.

Step 2:

Slide off the FFC clip.

Remove the FFC clip.
FFC clip removed.

Step 3:

Carefully unplug the Laser Unit and Fan connectors.

Please note that the Laser Unit connector has a clip that needs to be depressed for the connector to unplug.

Identify Laser and fan connectors.
Laser Unit & Fan connectors unplugged.

Step 4

Use the Torx T10-Security tool to unscrew the bolt holding the 5w laser unit in place.

When you are looking down from the top, turn the tool clockwise to undo the bolt.

Unscrew bold holding 5w laser unit in place.

Once the bolt has been removed, slide the laser unit upwards to release it fro the bracket.

5W Laser Unit removed.

Step 5

Using the Hex 1.3mm tool, carefully unscrew the three screws holding the belt plate in place.

IMPORTANT: These screws are delicate and need careful handling. Turn the tool counter-clockwise to unscrew.

NOTE: Some units have a pieve of black felt over the top right side screw. If you have this, remove the felt to access the screw beneath it.

Unscrew belt plate screws.
Belt plate removed.

Step 6

Using the Torx10-S or 2.5mm Hex tool, unscrew the bolt holding the lower belt pulley in place.

Unscrew the lower belt pulley.

Step 7

With the lower pulley removed, slide out the belt and insert ito into the new belt plate as shown in the photo below.

NOTE: The new metal bracket and plastic belt plate have been attached together with double sided tape to make assembly easier.

Install belt onto new bracket.

Step 8

Using a new set of M2x5mm screws supplied with your kit, install the new metal bracket and belt plate.

IMPORTANT: The M2x5mm screws are VERY delicate. Work slowly and tighten them carefully. Do not tighten them excessively.

Install new bracket.

Once attached, slide the belt over the top motor pulley and then re-install the lower belt pulley.

Belt installed over motor and lower pulley.


If you have made it this far, give yourself a pat on the back.

All the hard work is done.

Take a few minutes to have a cup of coffee or tea and think about all the amazing projects you will be able to create with your new laser unit.

Step 9

It’s now time to install the 10w laser unit.

Note the slot on one side and screw holes that should match up.

Line up 10w laser unit.

Insert the M3x35mm screw into the front of the laser unit and attach it to the hole in the metal bracket using the Hex 2.5mm tool.

Step 10

Plug the Laser and Fan connectors into the Laser Driver PCB.

Identify Laser and fan plugs.
Laser and fan plugged in.

Step 11

Slide on the FFC clip.

FFC Clip re-attached.

Make sure the wiring exits the cover as shown in the photo and nothing is obstructing the limit switches.

Check for obstructions.

Step 10

Using the supplied cards, run the ‘Focus Calibration’ process in LightBurn before using your new laser unit.

Focus Calibration run.


Re-attach the Silicone Nozzle.

Installed 10w laser unit.