Firstly, turn off the whole machine power.
Export&Import the Vendor settings
Before install the new one, please export the Vendor settings from the old controller.
And please import the vendor settings after installing the new controller board.
Below videos are for reference.
Lightburn:
RDWorks:
Remove Old Part:
Open the lower right hand door panel, find the main controller board, like below.
Unplug all connectors on the controller board, then remove 4 screws located on each corner of the board.
Screw 4 screws to fix the controller board and plug the connectors back to the board except AXIS Y and AXIS X, like below.
Note:
The laser head will find home(top left corner) during boot up, if the controller board have not been set as factory setting, the laser head will homing to other corner then cause the accident. So check the setting of the board before putting back the connector of Axis x and y.
1. Turn on the machine to provide power to the board, click ECS button to stop the resetting, then connect the computer and machine.
2. In software, please import the vendor settings.
3. Then plug the X/Y axes connector back.
End.