Navigate to the printer screen menu: > Advanced Settings . Select Load Factory Defaults (or Reset EEPROM). Select Store Settings to save the clean slate.
For more detailed guides and to keep your Sunlu T3 running at its best, stay tuned to official Sunlu support channels.
: The file must be named exactly firmware.bin . If the printer has been updated before with that name, some users recommend slightly changing the name (e.g., firmware_1.bin ) to trigger the flash, but firmware.bin is the standard. Flash the Printer : Turn off the printer. Insert the microSD card into the printer's slot. Turn the printer on. Sunlu T3 Firmware Update
Copy the DWIN_SET folder directly onto the root of the card. Turn the printer.
Sunlu does not have the most organized repository, but official files are available. Navigate to the printer screen menu: > Advanced Settings
Turn off the Sunlu T3 printer and unplug it from the wall.
To update the firmware on a Sunlu T3 3D printer, you typically use a microSD card to flash a .bin file directly to the motherboard. The Sunlu T3 is widely recognized as an Ender 3 clone that uses a modified 32-bit BTT SKR Mini E3 V2 controller board. Obtain the Firmware : For more detailed guides and to keep your
Use a high-quality card (8GB to 32GB). Large capacity cards (64GB+) often fail to read during boot flashing. MicroSD Card Reader: To connect the card to your computer. The Sunlu T3 Printer: Fully powered off until instructed. 2. Software & Files
This guide will walk you through everything you need to know about the