[Sonic Mini] Checking the LCD

Is the LCD on your Sonic Mini acting up? Before considering a costly repair, it's worth checking the LCD ribbon cable to see if the issue is simply a loose or poorly connected. This can happen if the pins of the cable have become loose or shifted out of place.

In this guide, we'll walk you through the steps to reconnect the cables to ensure a solid connection between the LCD and the mainboard. By following these instructions, you can avoid common LCD-related issues and keep your printer running smoothly.

1. Checking the LCD Cable

Power Down and Prepare

• Turn off your printer and unplug it from the power source
• Carefully lay the printer down on a flat surface 
• Loosen the 4 screws on the bottom case, and then open the case

Identify the LCD ribbon cable connecting the LCD to the mainboard

• Locate the LCD Ribbon Cable

Reseatting the Ribbon Cable

• Open the cable clip on the mainboard
• Detach the ribbon cable
• Check if the pins on the ribbon cable are facing downwards, then fully insert the cable into the connector
• Once the cable is fully inserted, lock the cable clips to secure the cable in place

Install the bottom case securely

• Tighten 4 corner screws on the bottom case.

Turn on the printer and run an LCD test to confirm proper functionality.

• Plug in the power cord and switch on the printer.
• On the touch panel, click TOOLS, then click LCD TEST.
• Check if the LCD is displaying normally.

2. Checking the LCD surface

During the printing process, an incident may occur that causes the LCD to crack irreversibly. To address this issue, it is essential to replace the LCD if any cracks are found. 

• Remove the LCD Frame tape
• Check if there is any crack on the LCD

Once you complete the above examination, if the issue still persists please reach out to our customer support team for further assistance. In the meantime, please also provide us with photos of both the LCD Cable Connection and the LCD Screen Edge.

Contact Support

By following these steps, you can quickly and easily check if the LCD issue still remains or can be resolved. 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.