Sunlu T3 Firmware ((link)) -
The Sunlu T3 (Terminator 3) firmware is a customized version of the open-source Marlin 2.0 framework
Copy the File: Place the .bin firmware file directly onto the root of the SD card. Ensure it is the only .bin file present.
For power users, Klipper moves the heavy processing to a separate device like a Raspberry Pi. What is the difference between Marlin and Klipper firmware?
- Obtain
DWIN_SET folder from Sunlu.
- Copy the folder to an SD card.
- Power down, insert card into touchscreen’s rear slot (requires opening the base or accessing back).
- Power on – the screen will flash blue/orange, then revert to normal.
- Remove card and reboot.
Are you looking to fix a specific bug or are you trying to add a new feature like a BLTouch sensor? denizkoekden/SUNLU-T3 - Marlin 3D Printer Firmware - GitHub
- Use USBasp or ISP programmer for AVR chips if bootloader missing.
- Use ST-Link or DFU for STM32 if required.
Benefits of Upgrading Sunlu T3 Firmware
The Trade-off: While great for rapid prototyping or "draft" prints, these high-speed settings can lead to "ringing" or "ghosting" (ripples on the surface) if the firmware isn't perfectly tuned. Smart Features: Clog Detection & Resume
⚙️ Hardware notes
- Motherboard: Usually a MKS Robin Nano clone or a basic 8‑bit board (depending on production date).
- Some T3 units use STM32 chips (good for Marlin 2.x), others use older ATMega.
- LCD: stock 12864 emulated graphic display or a touch screen? (Touch = different firmware structure).
The Sunlu T3 (Terminator 3) firmware is a customized version of the open-source Marlin 2.0 framework
Copy the File: Place the .bin firmware file directly onto the root of the SD card. Ensure it is the only .bin file present.
For power users, Klipper moves the heavy processing to a separate device like a Raspberry Pi. What is the difference between Marlin and Klipper firmware?
- Obtain
DWIN_SET folder from Sunlu.
- Copy the folder to an SD card.
- Power down, insert card into touchscreen’s rear slot (requires opening the base or accessing back).
- Power on – the screen will flash blue/orange, then revert to normal.
- Remove card and reboot.
Are you looking to fix a specific bug or are you trying to add a new feature like a BLTouch sensor? denizkoekden/SUNLU-T3 - Marlin 3D Printer Firmware - GitHub
- Use USBasp or ISP programmer for AVR chips if bootloader missing.
- Use ST-Link or DFU for STM32 if required.
Benefits of Upgrading Sunlu T3 Firmware
The Trade-off: While great for rapid prototyping or "draft" prints, these high-speed settings can lead to "ringing" or "ghosting" (ripples on the surface) if the firmware isn't perfectly tuned. Smart Features: Clog Detection & Resume
⚙️ Hardware notes
- Motherboard: Usually a MKS Robin Nano clone or a basic 8‑bit board (depending on production date).
- Some T3 units use STM32 chips (good for Marlin 2.x), others use older ATMega.
- LCD: stock 12864 emulated graphic display or a touch screen? (Touch = different firmware structure).
