Use the Official Marlin GitHub to find the specific configuration files for the Sapphire Pro. Compile: Use VS Code with the PlatformIO extension.
Klipper eliminates many Marlin limitations. Sample printer.cfg highlights: two trees sapphire pro firmware
Marlin is the most popular choice for the Sapphire Pro. Because the printer uses the MKS Robin Nano board (v1.1 or v1.2), it is fully compatible with Marlin’s bugfix branches. How to Install: Use the Official Marlin GitHub to find the
board. Upgrading the firmware is a common "first project" for owners to unlock better features like manual leveling, flow rate adjustments, and BLTouch support. 🛠️ Recommended Firmware Options 1. Marlin 2.0 (Custom Build) flow rate adjustments
The typically ships with a closed-source, limited version of Marlin on its MKS Robin Nano