Service and Repair Archives

Laser Replacement – Legend 36EXT

This article explains how to replace the CO2 laser tube in a Legend 36EXT.

This document provides step-by-step instructions for replacing the laser tube in the Epilog Legend EXT laser system. To ensure safety and prevent electrical hazards, disconnect the machine from its power source before beginning this procedure. Proper handling during removal and installation is essential to avoid damage to components. For alignment (...)

04/11/2025

Laser Troubleshooting Guide: Replacing the Safety Interlocks

How do I replace the safety interlocks on the Legend 36EXT.

Estimated time: 15–20 minutes • Skill: Beginner This guide outlines the procedure for replacing the window and door interlocks on an Epilog Legend 36 EXT laser system. These safety interlocks are designed to prevent the laser from firing when access panels are open. If they are damaged or not functioning (...)

10/16/2025

Autofocus Plunger Replacement – Legend 36EXT

This document provides detailed instructions on replacing the autofocus sensor in a legend 36 EXT

This document outlines the step-by-step procedure for replacing the Auto Focus sensor on the Epilog Legend EXT laser system. Before beginning, make sure the machine is powered off to ensure safety during the process. Familiarity with the X-carriage assembly is recommended; refer to the exploded view diagram for part identification (...)

04/11/2025

Power Supply Replacement – Legend 36EXT

This document details how to replace the power supply in a legend 36 EXT.

This document provides detailed instructions for replacing the power supply in the Epilog EXT laser system. To ensure safety and prevent electrical shock or equipment damage, always disconnect the power cord from the machine before beginning the procedure. Follow each step carefully to remove the existing power supply and install (...)

04/11/2025

Quick Guide: Replacing the Control Board

How to replace the control board on a Legend 36 EXT.

Estimated time: 20–30 minutes • Skill: Intermediate This procedure will guide you through the process of removing and replacing the main controller board in a Legend EXT laser system. Following these steps ensures safe handling of sensitive electronics, proper reconnection, and minimal downtime after installation. Important: Always wear the included (...)

10/14/2025

Generating Machine Logs

How do I generate the machine logs?

Generating machine logs enables Epilog Technical Support to gather important information about the machine, aiding in its diagnosis and troubleshooting. The process is straightforward and requires either a USB flash drive or a network-connected machine. This guide will outline the steps for generating logs. Logs can be generated one of (...)

07/10/2026

Pro 24, Pro 36

Laser Alignment (Large Aperture Optics) – Fusion Pro

How do I align the laser on my Fusion Pro with large aperture optics.

To ensure your CO2 laser engraver delivers optimal performance and consistent cutting quality, proper beam alignment is essential. Over time, vibration, wear, or component replacement can cause the laser beam to deviate from its intended path. This can result in reduced cutting power, inconsistent engraving, or premature wear of optics. (...)

12/31/2025

Pro 24, Pro 36

Large Aperture Optics Replacement – Fusion Pro

How do I replace the Optics in my Fusion Pro Large Aperture machine?

The Fusion Pro laser system includes four (4) mirrors in total. Mirrors 1, 2, and 3 are mounted using mirror holders and feature thermal compound between the mirror and holder to ensure proper heat transfer. This compound may need to be replaced if the mirrors are removed and reinstalled multiple (...)

09/25/2025

Cleaning Procedures – Fusion Maker, Edge, and Pro

This document details the general cleaning and maintenance of the Fusion Maker, Edge, and Pro machine.

Regular cleaning of the Fusion Pro engraver will result in a longer service life of the engraver and less down time. Additionally, regular cleaning of the Fusion Pro engraver can mitigate the risk of flare-ups and other thermal events. A mild household cleaner or degreaser can be used to clean (...)

12/31/2025

CO2 Laser Replacement Checklist / Low Output

This guide will assist you in diagnosing and resolving low output issues with your 17000 series laser system.

Having to continually reduce speed and increase power can indicate low output from the laser. This document will help identify a low output laser tube on a 17000 Maker, Edge, or Pro machine. Checklist Optics Alignment Focus Reference Engraving Download the sample file below. Reference Engraving Open the file and (...)

04/09/2025

Low Output – Mini/Helix

What should I do if I'm experiencing low laser output on my Mini / Helix system?

Whenever there is a perceived loss of power, it could be caused by dirty or damaged optics, bad laser beam alignment or a focus or table level issue. Below you can find links to instructions on checking and leveling the table as well as checking and fixing the alignment of (...)

04/09/2025

Pro 24, Pro 36

Control Module Replacement – Fusion Edge, Maker, Pro

The control module is a crucial component of your Fusion Maker, Fusion Edge, or Fusion Pro engraver, enabling seamless operation and precise control. This guide provides step-by-step instructions for safely removing and installing a new control module to ensure optimal performance. Following these procedures will help you maintain your engraver’s (...)

04/04/2025

Service and Repair

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Laser Replacement – Legend 36EXT

Laser Troubleshooting Guide: Replacing the Safety Interlocks

Autofocus Plunger Replacement – Legend 36EXT

Power Supply Replacement – Legend 36EXT

Quick Guide: Replacing the Control Board

Generating Machine Logs

Laser Alignment (Large Aperture Optics) – Fusion Pro

Large Aperture Optics Replacement – Fusion Pro

Cleaning Procedures – Fusion Maker, Edge, and Pro

CO2 Laser Replacement Checklist / Low Output

Low Output – Mini/Helix

Control Module Replacement – Fusion Edge, Maker, Pro