[Sonic Mighty Revo] Replacing the Mainboard

The mainboard is like 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 steps to replace the mainboard in the Sonic Mighty Revo printer. By following these instructions carefully, you can get your printer up and running again in no time.

1. Removing the Old Mainboard

Power down and prepare

• Turn off the printer and unplug the power cord.
• Place the printer on a flat surface.
• Remove the UV cover.

Open the front case

• Watch this instructional video (link).
• Remove the 3 flathead screws on top of the front cover using an H2.5 Allen key.

• Carefully lay the printer on its back side.

• Remove the 3 cap screws at the bottom using an H3 Allen key.

• Carefully lift the printer back into its upright position while holding the front case.
• Slowly open the front cover to avoid damaging the touch panel cable.
• Disconnect the front USB cable, Internet cable and the touch panel cable from the mainboard.

Remove the old mainboard

• Unplug all the remaining cables and wires connecting to the mainboard.

• Loosen the 4 screws on the corners, then remove the old mainboard.

2. Installing the New Mainboard

Install the new mainboard

• Install the new mainboard and secure it the original place.
• Reattach all the cables and wires on the mainboard.
• Tighten the screws and 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 Revo 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.