Press ESC to close

Monport Techtips: How to loosen the belt in your laser engraver to adjust the bolt

Navigating the technical aspects of your laser engraver doesn’t have to be a daunting task. “Monport Techtips: How to loosen the belt in your laser engraver to adjust the bolt” provides comprehensive insights into one such critical maintenance procedure, ensuring you keep your equipment in optimum condition. If you’ve noticed white marks appearing on your belt or heard recurrent rattling sounds, it’s possibly time to loosen the belt and check the condition of your bolt.

The tutorial underscores the importance of this simple yet effective preventative measure. Carefully locate the screws, engage the proper loosening process, and fix the impediment. Whether you’re new to laser engraving or an experienced hand seeking a refresher, this guide endeavors to simplify the process, elucidate complex concepts, and bolster your understanding of your machine and its functioning. By following this guide, you will ensure the longevity of your machine while improving the quality of your projects.

Monport Techtips: How to loosen the belt in your laser engraver to adjust the bolt

This image is property of

Find your new Monport Techtips: How to loosen the belt in your laser engraver to adjust the bolt on this page.

Safety Precautions

Before handling the laser engraver, it is crucial to take certain safety precautions to prevent any accidents.

Wear appropriate safety gear

Before embarking on checking and fixing the bolt, ensure that you are well-protected. Use safety goggles to protect your eyes from any debris that might fly off during the procedure. Heavy-duty gloves can also help keep your hands safe from sharp objects or the heat generated by the machine.

Ensure the machine is powered off

Before you start, confirm that the machine is powered off. It reduces the risk of electrical shock, as well as potential damage to the machine.

Familiarize yourself with the machine’s components

Having a basic knowledge of the machine parts and how they operate is important before trying to fix any faults. Be conversant with key components such as the laser head, the belt, the gantry, and the screws among others.

Identifying the Problem

The first step in solving a problem is identifying it.

Checking the belt for white marks

White marks on the belt could be a sign of underlying issues with the bolt. If these are observed, it could mean that the belt needs readjusting, and it should be addressed immediately.

Listening for the rattle sound

A machine producing an incessant rattle sound might suggest irreparable damage. However, it could also be due to loose components such as a bolt that needs tightening.

Email or call Monport for technical support

If you’re unable to identify the problem or if the problem persists even after applying the prescribed remedies, do not hesitate to reach out to Monport laser for technical support. You can do so via email or phone call.

Accessing the Machine

To properly diagnose and solve the problem, you will need to access the internal parts of the machine.

How to open the laser engraver’s side door

Stand in front of the machine and locate the left side door. Open the door; this should give you access to the inner parts of the machine.

Inspecting the mirror element

Be careful not to damage the mirror element situated inside the machine while accessing the inner parts.

Operating the machine without breaking components

Handle each part with care. Avoid exerting unnecessary force on the components as this might result in more damage.

Find your new Monport Techtips: How to loosen the belt in your laser engraver to adjust the bolt on this page.

Locating the Necessary Screws

Now that you have access to the inner parts of the machine, you need to identify the crucial screws.

Finding the six screws in the middle of the plate

You will first observe six screws in the middle of the plate. These screws need to be loosened to give more room for further checks on the belt.

Locating and loosening the belt

After loosening the screws, the belt will loosen a bit, allowing you to inspect it for any anomalies.

Identifying other necessary screws in the gantry

Apart from the six screws in the middle of the plate, there are other important screws located in the middle of the gantry that will need to be identified and observed.

Adjusting the Laser Head

In order to access other components, you may need to move the laser head.

Guidelines for moving the laser head

Be careful while moving the laser head; it is one of the most sensitive parts of the machine.

Inspecting the right side of the gantry

Look closely at the right side of the gantry where you can observe two gears.

Identifying gears and screws in the gantry

These gears housed near the gantry are likely where you can find screws that are causing a knocking sound or an uncomfortable noise.

Addressing Uncomfortable Noise

Uncomfortable noise from the machine may indicate loose components.

Identifying screws causing the noise

Rotate the rotary knob to locate the screws in it; these screws might be the source of the noise.

Steps to fix or replace the noisy components

After identifying the noisy components, the next step is to fix or replace them. Consult with the machine’s manual or contact Monport technical support for assistance on how to best do this.

Using the rotary knob to find and adjust screws

Continue to use the rotary knob to identify and adjust screws that need to be tightened. Turn the knob until you find the screw that needs fixing.

Reassembling the Machine

Once you have fixed the problem, the next step is to put the machine back together.

Instructions for putting back the machine

Follow the steps of disassembly in reverse to reassemble the machine. Replace all parts in their rightful places and ensure all screws are tight enough, but not overly constricted.

Checking to ensure noise is eliminated

After reassembling, run a quick test to ensure that the noise has been eliminated. Remember, the goal is a smooth-running machine.

Steps for tightening the loosened screws

In case you find any loose screws during the testing, ensure you tighten them to ensure optimal machine performance.

Testing the Machine

Following reassembly, it’s important to carry out thorough testing to ensure that the problem has been fully resolved.

How to run a test engraving

Run a test engraving to test the overall functionality of the machine.

Observing if the belt is functioning properly

Check to see if the belt moves smoothly without any anomalies. White marks or any other irregularities could suggest problems.

Assessing if the noisy problem is resolved

During the test run, pay attention to the level of noise from the machine. A quieter machine would indicate that the problem has been successfully dealt with.

Potential Issues and Solutions

Machines will always have the potential to develop further issues, remain vigilant.

Guidelines for troubleshooting common issues

Every machine has a manual that provides solutions to common problems. Consult it whenever you face challenges.

When to seek professional help

If you can’t fix a problem, always opt to contact a professional. Attempting to fix complex issues yourself may lead to more damage.

Maintenance tips to prevent future issues

Regular maintenance checks will help you detect potential issues early on, and mitigate them before they escalate.


Fixing your laser engraver’s belt and bolt might seem like a daunting task at first but with patience and these guiding steps, any user should be able to deal with the basic issues.

Review of the process

In recap, always make sure you are safe before diving into fixing the problem. Identify the problem first, locate the necessary screws and other components, address any issues, and then put the machine back together.

Importance of regular maintenance

Regular maintenance checks cannot be overemphasized. These checks will help you nip any possible machine problems in the bud.

Contacting Monport for further inquiries

Despite this comprehensive guide, do not hesitate to contact Monport Laser with any further inquiries or problems related to their products.

See the Monport Techtips: How to loosen the belt in your laser engraver to adjust the bolt in detail.