[Sonic XL 4K Plus] Checking the LCD

               
Is the LCD on your Sonic XL 4K Plus 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.

Checking the LCD Cable Connections

1. Turn off the printer and unplug the power cord.
2. Use an Allen Wrench to loosen the 8 screws and open the front cas
   
                                          Figure 1: Open the Front Case
   
   
3. Verify and reconnect the LCD-related cables.
                                     Figure 2: Verify and Reconnect LCD Cable
4. Reassemble the printer. 
5. Insert the power cord and power on the printer.
6. Perform the LCD test to determine if the issue shows any improvement.
   
                                                  Figure 3: LCD Test
   

Contact Support

By following these steps, you can quickly and easily check the LCD screen by ensuring a secure connection.

If the issue persists after attempting these steps, please contact Phrozen support or your authorized reseller for assistance.