[Sonic LS+] Replacing the Touch Panel

If the touch panel on your Sonic LS+ printer becomes unresponsive or damaged, replacing it may be necessary to restore normal operation. This guide will walk you through the process of removing the old touch panel and installing a new one.

Before You Begin

Tools Needed: 

• 2 mm Allen wrench
• 2.5 mm Allen wrench
• Vacuum suction handle (Recommended)

Power Down and Prepare

1. Turn off the printer and unplug the power cord.
2. Place the printer on a flat, stable surface.

Removing the Front Cover

1. Use a 2 mm allen wrench to remove the  M3x10 flat head screws.

2. Lay down the printer.

3. Use a 2.5 mm allen wrench to remove the M3x6 socket head screws.

4. Flip the printer up right and use the vacuum suction handle to remove the front cover.

5. Disconnect the front ① USB extension cable and the ② touch panel cable from the mainboard.

6. Do not pull the ribbon cable directly. Flip the clip to unlock first.

7. Remove the front cover.

Installing the New Touch Panel Module

1. Position the new touch panel module on the front cover.

2. Install the touch panel cable into the port on ① the mainboard and the ② touch panel, then lock the cable clips to secure in place.

Verify Functionality

1. Plug in the power cord and turn on the printer.

2. Confirm the new touch panel is responsive and working correctly.

3. Navigate through the menu to ensure full functionality.

Reinstall the Front Cover

1. Reconnect the ① USB extension cable and the ② touch panel cable to the mainboard.   

2. Flip the locking clip open before inserting the ribbon cable, then press it back down to lock in place.

3. Align the front cover with the chassis and carefully position it into place.

4. Use a 2 mm allen wrench to fasten the ①② M3x12 flat head screws.

5. Use a 2.5 mm allen wrench to fasten the ①② M3x6 socket head screws at the bottom of the front cover.

6. Ensure all connections are secure and the front panel sits flush with the frame.

Need Help?

If you need any assistance, please feel free to reach out to Phrozen Dental Support or your authorized resellers. We are always happy to support you.