You may be able to skip this process if you have access to compressed air; a gentle jet of air directed under the cover should remove most debris from the PCB.
Step 1:
Remove the two screws holding the laser carriage cover.
![](https://darklylabs.com/wp-content/uploads/2021/10/mceclipscrew1.png)
![](https://darklylabs.com/wp-content/uploads/2021/10/mceclipscrew2.png)
Take note of cable positions when the cover is removed. This will help when putting everything back together.
![](https://darklylabs.com/wp-content/uploads/2021/10/mceclip1-2.png)
Step 2:
Use the small brush to gently remove any build up of debris on the Laser Driver PCB.
![](https://darklylabs.com/wp-content/uploads/2021/10/mceclip0-5-1024x834.png)
Gently brush the components under the fan and the small component at the bottom of the PCB clean of debris.
![](https://darklylabs.com/wp-content/uploads/2021/10/STEP_02b-833x1024.jpg)
Step 3:
Reattach the laser cover. Make sure all cables have been routed correctly.
![](https://darklylabs.com/wp-content/uploads/2021/10/mceclip2-3.png)