Control Board Replacement – Legend 36 EXT

This guide provides step-by-step instructions for replacing the controller board in the Legend EXT laser engraver. Before beginning the procedure, ensure the machine is powered off and unplugged from its power source to avoid electrical hazards.

Important: Use the included Anti-Static Strap as directed. Always wear the strap when handling the controller board, as static electricity can cause serious damage to sensitive electronic components.

If your machine is still operational and able to boot, it’s highly recommended to follow the data collection steps in Step 4 before removing the controller board. Doing so will help preserve your current configuration and reduce setup time after the new board is installed.

If the machine will not boot, skip directly to Step 5. The replacement controller board provided has been pre-configured with your machine’s original settings.

Procedure

1. If the machine boots up, record the following from the Function and Configuration menus:

2. To access the Function menu, press both the “GO” and “Pointer” buttons. Use the “Go” button to cycle:

• Serial Number

• IP Address

• Subnet Mask

• Gateway

3. From the Configuration menu (use right arrow to cycle):

• X-Home

• Y-Home

• X-Rotary Home

• Y-Rotary Home

• Laser Match

• Stamp Match

• System unit

4. Remove the left side panel.

   

5. Disconnect the five electrical connections from the board.

   

6. Unscrew the four screws on each corner of the controller board.

   

7. Remove the board, replace with a new one, and re-tighten the screws.

   

8. Reconnect the five connectors.

   

9. Replace the side panel.

10. Plug in and turn on the machine.

11. Re-enter the IP address and configuration values collected earlier.