[Sonic Mighty 8K] Replacing the Mainboard

The mainboard can function as the brain of your 3D printer. It determines how various components such as the LCD, LED, motor, fans, and others operate. Over time, the mainboard may become faulty due to a variety of reasons, such as power surges, physical damage, or wear and tear. If your printer's mainboard is not working properly, you may need to replace it.

In this article, we'll walk you through the common steps to replace the mainboard in Sonic Mini 8K S. By following the following instructions carefully, you can get your printer up and run again in no time.

1. Removing the Old Mainboard

Remove the front case

• Turn off the printer and unplug it
• Remove the UV cover, resin vat, and building plate
• Loosen the 4 screws on the front case and open it

Remove the old mainboard

• Disconnect all cables/ wires (No.1-No.10) that are linked to the mainboard (see the below pic)

To remove the glue from Cable 1, apply alcohol to soften it. Once the glue has been softened, the ribbon cable can be easily detached.

• Remove the old mainboard by loosening the 4 corner screws 

2. Installing the New Mainboard

Install the new mainboard

• Install the new mainboard and secure it the original place
• Reattach the all the cables and wires on the mainboard
• Reinstall the front case of the printer

Verify the new mainboard’s functionality

• Plug in the power cord and switch on the printer
• Perform a dry run test to check if the new mainboard functions properly
• Installation is done

Contact Support

By following the above instruction, you can easily replace the mainboard of your Sonic Mighty 8K printer. If you find any issues, feel free to reach out to Phrozen Support or your Authorized Reseller for further assistance. When contacting Phrozen Support, kindly send some photos or videos illustrating the issue.