If you attempted a screen update that failed, the printer might be stuck on a logo screen. A fresh firmware flash is the only cure.
Early batches of the Sunlu T3 ran on Marlin 2.0.x branches that contained minor bugs, such as inaccurate bed leveling mesh recall or LCD lag. Sunlu periodically releases patches that make the machine more stable during long prints (24+ hours).
After your Sunlu T3 firmware update, do not just start a 12-hour print. Verify these five things:
Sunlu T3 Firmware Update: A Comprehensive Guide
The Sunlu T3 is a popular 3D printer known for its high-quality prints, ease of use, and affordability. Like any other electronic device, the Sunlu T3 requires periodic firmware updates to ensure optimal performance, fix bugs, and add new features. In this write-up, we will guide you through the process of updating the firmware on your Sunlu T3 3D printer.
Why Update the Firmware?
Updating the firmware on your Sunlu T3 3D printer is essential to:
Preparation
Before updating the firmware on your Sunlu T3, make sure you:
Downloading the Firmware Update
To download the firmware update for your Sunlu T3: Sunlu T3 Firmware Update
Updating the Firmware
To update the firmware on your Sunlu T3:
Using the Sunlu Firmware Update Tool
If you are using the Sunlu-provided firmware update tool:
Using Arduino IDE
If you are using Arduino IDE:
Post-Update Checklist
After updating the firmware:
Troubleshooting
If you encounter any issues during the firmware update process: If you attempted a screen update that failed,
Here’s a concise review of the Sunlu T3 firmware update process based on common user experiences and technical notes.