--- description: Why the laser beam of a laser engraving machine is becoming weaker? We will share the solutions to solve the problem. title: Why Laser Beam Becomes Weaker Than Before? image: https://www.stylecnc.com/uploads/cata/faq.jpg --- # [Why Laser Beam Becomes Weaker Than Before?](https://www.stylecnc.com/faq/laser-weaker.html "Why Laser Beam Becomes Weaker Than Before?") Updated on 2021-09-14 by [Charles](https://www.stylecnc.com/author/charles "Charles")2 Min Read ## Why Laser Beam Becomes Weaker Than Before? 1\. Focus lens for contamination: Clean focusing mirror. 2\. Focus relief laser engraving machine equipment whether changes: Re-adjust the focus. 3\. Light path is offset: Carefully adjustment of the optical path. 4\. Reflective lens is contaminated or damaged: Clean or replace the reflective lenses. 5\. Laser power is energized: Checking laser power supply circuit so that it is normal. 6\. Laser tube is damaged or aging: Replace the laser tube. 7\. Laser power supply is damaged: Replace the laser power. 8\. Cooling water is circulating flow: Clear cool water. 9\. The cooling water temperature is normal or not: Replace the clean cooling water to the temperature to normal. What I tell you about the laser weaker of laser engraving machine? we have to know how the above problems to be fixed, and welcome to our online support with laser engraving machine. ### Share This Question With Others ### Further Reading #### How to Buy The Best CNC Machine? 2015-11-25[Prev Post](https://www.stylecnc.com/faq/buy-cnc-machine.html "How to Buy The Best CNC Machine?") ### Do You Have Customization Service for CNC Machines? 2015-12-31[Next Post](https://www.stylecnc.com/faq/cnc-machine-customization-service.html "Do You Have Customization Service for CNC Machines?") ### Related Articles [](https://www.stylecnc.com/blog/laser-engraver-costs-benefits-potential.html "Innovate Your Business with Laser Engravers - Costs and Benefits") 2025-07-307 Min Read #### [Innovate Your Business with Laser Engravers - Costs and Benefits](https://www.stylecnc.com/blog/laser-engraver-costs-benefits-potential.html "Innovate Your Business with Laser Engravers - Costs and Benefits") In this post, we'll break down the costs, benefits, potential of laser engravers, and how to use lasers to create personalized engravings for custom business. 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