Before starting, identify your hardware version. Most Sapphire Pro units ship with the MKS Robin Nano motherboard, but versions (v1.1, v1.2, or v1.3) vary slightly in pin definitions.
| Item | Specification / Note | |------|----------------------| | Printer | Two Trees Sapphire Pro (stock control board: MKS Robin Nano V3.x or similar) | | Computer | Windows 10/11, Linux, or macOS with USB-A port | | USB Cable | Type-A to Type-C (data‑sync capable) | | MicroSD Card | 8–32 GB, FAT32 formatted | | Firmware File | Robin_nano_v3.bin (or similarly named) from official Two Trees / GitHub | | Software | Cura, Pronterface, or any serial terminal (115200 baud) | two trees sapphire pro firmware upd
Ensure thermal runaway protection is active to prevent fire hazards. Before starting, identify your hardware version
Ensure your extruder is pushing the exact amount of filament requested. Ensure your extruder is pushing the exact amount
Helpful for PID tuning after the update using tools like Pronterface. Step-by-Step Installation Guide 1. Choose Your Firmware Flavor