Before diving into the "how," let’s address the "why." The stock firmware that ships with the Sapphire Pro (usually a custom version of GRBL or Smoothieware, depending on your control board) is often several months or years old. A successful offers:
+-----------------------------------------------------------------+ | CHOOSE YOUR ECOSYSTEM | +-----------------------------------------------------------------+ | +------------------------+------------------------+ | | v v [ MARLIN ] [ KLIPPER ] * Runs entirely on printer board * Uses Raspberry Pi + printer board * Traditional SD card flashing * Lightning fast processing speeds * Great for standalone operation * Web interfaces (Fluidd/Mainsail) * Simpler physical footprint * Real-time configuration changes Option A: Marlin 2.0+ (The Traditional Choice)
Sometimes a introduces instability (rare, but possible). To revert:
Updating the firmware on your Two Trees Sapphire Pro can significantly improve print quality by enabling features like Linear Advance or supporting hardware upgrades like a BLTouch sensor. Because this printer uses an MKS Robin Nano motherboard, the update process is relatively straightforward but requires careful file management. There are three main paths for the Sapphire Pro two trees sapphire pro firmware upd
For maximum speed and precision, some users transition to Klipper, though this requires an external host like a Raspberry Pi. You can compare the trade-offs on Reddit or Snapmaker . How to Flash the Firmware Firmware Download
Insert the MicroSD card into the slot on the (not the display screen). Power on the printer.
Achieve sharper corners by managing nozzle pressure. Before diving into the "how," let’s address the "why
Engrave a 10mm x 10mm square. Measure with calipers. Adjust $100 / $101 proportionally:
, the benefits they provide, and a general overview of the upgrade process. The Role of Firmware in 3D Printing
The original proprietary UI limits access to advanced 3D printing algorithms. Upgrading to a custom or modern open-source repository delivers substantial performance leaps: Two Trees Sapphire Pro, 3D printer custom firmware ⚙️ Because this printer uses an MKS Robin Nano
boards allow for easy updates via a microSD card. The firmware file is placed on the card, inserted into the printer, and the printer is powered on to begin the automated flash process. Conclusion Upgrading the firmware of the Two Trees Sapphire Pro
, using the MKS Robin Nano board, makes firmware updates relatively straightforward, usually involving placing a file on a MicroSD card. 1. Prepare the Firmware File
Two Trees provides an official firmware download service, where files are typically named with a clear logic (e.g., “Nano v1.2-4×2208 Firmware”). To check your hardware, you'll need to look at the silkscreen labels physically printed on the circuit board inside your printer's electronics compartment. For the most common MKS Robin Nano boards, you will use a firmware file named Robin_nano35.bin or Robin_nano43.bin , depending on your specific submodel and connected screen.
: Format the card to FAT32 with a 4096 allocation unit size to ensure the printer can read it. 2. Prepare the Files