Sunlu T3 Firmware Update Link

There are two main hardware versions of the Sunlu T3.

The most important calibration is the . Your previous leveling data is almost certainly gone. It is strongly recommended to perform a full manual bed tramming and set a new Z-offset to ensure proper first-layer adhesion. The ABL (Auto Bed Leveling) system will also need to be re-initialized to perform its 16-point mesh leveling, a process that takes about 60 seconds.

The regular printer status screen will boot up once the process is complete.

: Updating firmware often resets your Z-offset. You will need to re-level your bed and re-calibrate your Z-offset immediately after the update to avoid nozzle crashes. Sunlu T3 Firmware Update

Once the main menu appears, the update is complete. You can verify the version in the or About menu.

Before diving into the process, it's important to understand why this update matters:

If you are experiencing software glitches, or print failures, or simply want to optimize your machine, updating the firmware is the logical next step. This guide covers why you should update, the preparation steps, a step-by-step installation walkthrough, and troubleshooting tips. Why Update Your Sunlu T3 Firmware? There are two main hardware versions of the Sunlu T3

If you want to tailor your update process further, let me know:

This guide will walk you through everything you need to know about the

You will need a microSD card (the small one, not the full‑size SD card) formatted to FAT32 . Most cards 32 GB or smaller work fine. Using a fresh or freshly formatted card prevents file‑system conflicts that can derail the update. It is strongly recommended to perform a full

Re-run the manual and automatic bed leveling sequences from scratch. Manually recalibrate your Z-offset before attempting your first print to avoid damaging the print bed. If you are looking to take your Sunlu T3 a step further, Share public link

Exit and save, then run make to compile the klipper.bin file.

The Sunlu T3 is a fast printer capable of speeds up to 250mm/s. However, stock factory firmware often leaves performance on the table or lacks modern safety protocols. 🌟 Key Benefits of Updating

If you are upgrading your firmware to achieve maximum speed on your Sunlu T3, consider transitioning away from Marlin entirely to install .