Depending on your technical comfort level, you have three main options: 1. Official SUNLU T3 Firmware
Even with the correct Sunlu T3 firmware, things go wrong. Here is the repair guide. sunlu t3 firmware
SUNLU provides official firmware updates, though users often report difficulty finding them directly on the main site's standard menus. Depending on your technical comfort level, you have
// Bed size #define X_BED_SIZE 220 #define Y_BED_SIZE 220 Depending on your technical comfort level
: Updating ensures you have the latest thermal runaway protection, a vital safety feature for any 3D printer. Top Firmware Options Official Marlin Configuration : Anson Liu has contributed a dedicated SUNLU T3 configuration to the official Marlin GitHub repository