Rename klipper.bin to the name your stock bootloader expects (e.g., Robin_nano35.bin or Robin_nano.bin ). Copy it to an SD card, insert it into the printer, and power it on. The green light on the motherboard will flash rapidly, and the stock screen will likely go blank or frozen—this is normal, as Klipper disables the native stock screen functionality in favor of a web interface. 3. Configure printer.cfg
#define MOTHERBOARD BOARD_MKS_ROBIN_NANO_V2 #define SERIAL_PORT 2 // For USB and LCD #define BAUDRATE 250000
(also known as the SP-3) remains a beloved CoreXY 3D printer due to its rigid frame and linear rails. However, its stock, closed-source MKS Makerbase firmware leaves much to be desired, often exhibiting hotend temperature overshoots and lacking modern feature sets. Upgrading your firmware is the single best way to unlock the machine's true speed, print quality, and safety potential. two trees sapphire pro firmware upd
In VS Code:
Best for beginners who want to keep the printer functioning exactly as it did out of the box. You can usually find the latest stock firmware on the Official Two Trees Wiki (ensure you select the SP-3/Sapphire Pro specific files). Strategy B: Custom Firmware (Highly Recommended) Rename klipper
(for fine-tuning the Z-height during the first layer), support for Auto Bed Leveling (ABL)
Before compiling or downloading any firmware binary, you . Two Trees shipped different production runs with varying components. Installing mismatched firmware can miscalibrate your touchscreen or permanently damage your stepper drivers. Upgrading your firmware is the single best way
Calibrate the heater cartridge and heated bed to prevent temperature fluctuations. Run PID tuning commands via terminal ( M303 for Marlin, PID_CALIBRATE for Klipper).