Sunlu T3 Firmware Update -

Updates can refine the extruder cooling fan behavior, ensuring it stays on whenever the hotend is heated—not just when motors are moving.

Improved versions better manage the 250mm/s "Fast Print" mode , reducing under-extrusion. Sunlu T3 Firmware Update

Newer versions address issues with jam detection and LCD refresh rates . Updates can refine the extruder cooling fan behavior,

Custom firmware can unlock 5x5 Automatic Bed Leveling (ABL) grids and manual PID tuning for both the bed and hotend. Preparation: Choosing Your Firmware Custom firmware can unlock 5x5 Automatic Bed Leveling

Before you begin, decide which path is right for your technical comfort level: sunlu 3d - Facebook

Updating your is a critical maintenance step that can resolve common "out-of-the-box" bugs, improve print stability, and unlock advanced features like refined high-speed printing . Whether you are sticking with official releases or exploring custom Marlin builds, this guide covers everything you need to successfully update your Terminator 3. Why Update Your Sunlu T3 Firmware?