Updating the firmware on your Two Trees Sapphire Pro (SP-3) is done by placing specific files onto a microSD card and rebooting the machine. Because these printers use MKS Robin Nano motherboards, the update process is universal across most stock and Marlin-based versions. 1. Prepare Your Hardware
microSD Card: Use a card with a maximum capacity of 16GB. Large cards (32GB+) often fail to be read by the bootloader.
Format: Format the card to FAT32 with a 4096-byte cluster size to ensure the printer can read it. 2. Gather Firmware Files
You generally need two components from your firmware package (whether from the Two Trees Wiki or a Marlin GitHub fork):
The Binary File: Usually named Robin_nano35.bin or Robin_nano.bin.
The Assets Folder: A folder named assets containing the UI images and icons.
Note: If the update does not trigger, try renaming the file specifically to Robin_nano35.bin. 3. Flash the Printer
Copy Files: Place the .bin file and the assets folder directly onto the root of the microSD card (do not put them inside another folder).
Insert & Power On: With the printer turned off, insert the microSD card into the slot on the front or side of the machine.
Wait: Turn the printer on. You should see a progress bar on the touchscreen. Do not turn off the power during this process, as it can brick the motherboard.
Completion: Once finished, the printer will boot into the new interface. You may need to calibrate the touchscreen on the first start. 4. Final Steps (Resetting EEPROM)
After a major update (like switching to Marlin), it is highly recommended to reset your settings to avoid errors from old data:
Navigate to Settings > Machine > EEPROM and select Restore Defaults, then Save.
Alternatively, send the M502 (factory reset) and M500 (save) commands via a USB terminal like Pronterface or Marlin. TwoTrees Sapphire Pro and Marlin 2.0 - It's working
7 Oct 2019 — The Sapphire Pro CoreXY printer from Two Trees comes with a MKS Robin Nano board, that has it's own closed firmware installed. YouTube·ALPINEmakes Motherboard Firmware Upgrade - TWOTREES Wiki
To update the firmware on your Two Trees Sapphire Pro (now often called the
), follow the steps below. The printer typically uses the MKS Robin Nano motherboard. Quick Update Guide
Updating is generally a simple process of placing the correct files on an SD card and booting the machine.
Prepare SD Card: Use a FAT32-formatted TF/microSD card (ideally 16GB or smaller).
Download Files: Obtain the firmware files from an official or community source. You will typically need: Robin_nano35.bin (the main firmware binary). assets folder (contains UI icons and fonts for the screen).
Transfer: Copy these directly to the root directory of the SD card.
Install: Insert the card into the powered-off printer. Turn it on; the update should begin automatically. two trees sapphire pro firmware upd
Note: If it doesn't start, try renaming the file to Robin_nano.bin. Firmware Options Sapphire Pro Marlin 2.0.X
To update the firmware on a Two Trees Sapphire Pro , you typically copy a compiled .bin file to a formatted SD card and restart the printer. The motherboard (usually an MKS Robin Nano) automatically detects and flashes the new file on boot. 🛠️ Update Procedure
Prepare the SD Card: Use a FAT32-formatted microSD card (16GB or smaller recommended).
Download Firmware: Obtain the correct .bin file for your specific motherboard and driver configuration.
Rename File: The file must usually be named Robin_nano35.bin for the printer to recognize it during the boot process.
Flash: Insert the card into the powered-off printer and turn it on. A progress bar or update screen should appear.
Clean Up: Once finished, delete the file from the SD card to prevent the printer from re-flashing every time it starts. 📂 Firmware Options
Users typically choose between three main types of firmware:
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. Choosing Your Firmware There are three main paths for the Sapphire Pro
Stock Firmware: Provided by TwoTrees Official, this is the safest but most limited option.
Marlin 2.0+: A popular open-source choice that offers more control and features. Community versions often fix stock issues like temperature overshoot.
Klipper: For advanced users seeking high speeds, Klipper offloads calculations to a host like a Raspberry Pi. How to Update Your Firmware Sapphire Pro
updates via its SD card slot. Follow these steps to ensure a successful flash: 1. Prepare Your Hardware
SD Card: Use a standard Micro-SD card (16GB or smaller is recommended for compatibility).
Format: Format the card to FAT32 with a 4096 allocation unit size to ensure the printer can read it. 2. Prepare the Files
Download your chosen firmware package. For most MKS Robin Nano-based setups, you need specific files in the root directory of your SD card:
Robin_nano35.bin: The core firmware file (the filename must match exactly what your motherboard expects).
assets folder: Contains the UI images and fonts for the touchscreen.
mks_config.txt: (If using stock-based firmware) This configuration file dictates motor directions and bed sizes. Compiling firmware for Twotrees Sapphire Pro with MKS board
Updating the firmware on a Two Trees Sapphire Pro (also known as the SP-3) typically involves transferring specific files to the printer's motherboard via a microSD card. This process is critical for adding features like BLTouch support or improving the user interface. 1. Identify Your Hardware
Before downloading any files, verify your machine's hardware version, as using the wrong firmware can brick your printer board. Motherboard: Most Sapphire Pro models use the MKS Robin Nano V1.2 Updating the firmware on your Two Trees Sapphire
Common configurations include 2x TMC2208 and 2x A4988, or all TMC2225 drivers. Typically an MKS Robin TFT35. 2. Prepare the MicroSD Card
The motherboard requires a specific card format to recognize the update files. Use a microSD (TF) card formatted to
Ensure the card is empty; it is best to format it before starting. Stavros' Notes 3. Obtain Firmware Files
You can use official firmware or community-compiled versions of Marlin. TwoTrees Firmware Download
page and select the version matching your printer and motherboard. Community/Marlin: Projects like RolfZuckowskiUltras/TwoTrees-Sapphire-Pro-Plus
offer precompiled binaries for Marlin 2.0 with enhanced GUIs. Required Files:
You generally need two items in the root directory of your card: Robin_nano35.bin (the main firmware binary). folder (contains UI icons and fonts). 4. Flash the Firmware Power Off: Turn off your printer completely. Insert Card:
Place the prepared microSD card into the slot on the motherboard.
Turn the printer back on. You should see a progress bar or an "update" interface on the screen.
Do not turn off the machine or remove the card until the refresh is 100% complete.
The printer will typically reboot into the new firmware. You may need to recalibrate the touchscreen on the first startup. 5. Troubleshooting Common Issues
Two Trees Sapphire Pro Firmware Update: A Comprehensive Guide
The Two Trees Sapphire Pro is a highly regarded 3D printer known for its exceptional print quality, reliability, and affordability. As with any complex device, firmware updates play a crucial role in maintaining and improving its performance. In this article, we will delve into the world of Two Trees Sapphire Pro firmware updates, exploring what they entail, how to perform them, and what benefits they bring.
What is Firmware and Why is it Important?
Firmware is the software that controls the basic functions of a device, in this case, the Two Trees Sapphire Pro 3D printer. It manages the printer's hardware components, such as the stepper motors, temperature control, and print head, to ensure smooth and accurate printing operations. Firmware updates are essential to:
Preparing for a Firmware Update
Before updating the firmware on your Two Trees Sapphire Pro, make sure to:
Updating the Firmware
The Two Trees Sapphire Pro uses a popular open-source firmware called Klipper. To update the firmware, follow these steps:
What's New in Recent Firmware Updates?
The Two Trees Sapphire Pro has seen several firmware updates in recent times. Some notable changes include: Fix bugs and issues : New firmware versions
Benefits of Firmware Updates
Regular firmware updates can bring numerous benefits to your Two Trees Sapphire Pro, including:
Conclusion
Firmware updates are essential to maintaining and improving the performance of your Two Trees Sapphire Pro 3D printer. By understanding the importance of firmware updates, preparing for the update process, and performing updates regularly, you can ensure your printer operates at its best, delivering high-quality prints and a satisfying user experience. Stay up-to-date with the latest firmware versions and take advantage of the benefits they bring to your 3D printing journey.
Title: Updating the Firmware on Your Two Trees Sapphire Pro: A Comprehensive Guide
Introduction The Two Trees Sapphire Pro is a popular budget-friendly CoreXY 3D printer known for its speed and rigid frame. However, like any 3D printer running on an open-source motherboard, keeping the firmware updated is essential for unlocking new features, fixing bugs (such as thermal runaway protection), and improving overall print quality.
This guide covers everything you need to know about the Sapphire Pro firmware, including the difference between stock and custom firmware, how to find your current version, and the step-by-step update process.
| Issue | Likely Solution |
| :--- | :--- |
| Printer doesn’t read the SD card | Reformat the card to FAT32 with 4096 bytes. Try a smaller card (8GB or 16GB). |
| Update starts but freezes | The firmware file may be corrupt or for the wrong board. Redownload and verify your mainboard version. |
| Touchscreen works but is uncalibrated | You forgot to update the LCD firmware. Perform the DWIN_SET update. |
| Printer shows “No printer attached” | The mainboard firmware failed. Re-flash the mainboard, ensuring the file name is correct (often Robin_nano.bin). |
This updates the UV LCD controller for exposure timing and light uniformity.
LCD (all caps).LCD folder, place the LCD firmware file (usually named flash.bin or SapphirePro_LCD.bin).LCD folder to Firmware.bin (exact case: Capital F, rest lower).Settings > LCD Update (or Tools > Update LCD depending on UI).Q: Can I update the firmware via USB / Pronterface?
A: Not directly – the MKS Robin Nano requires an SD card for bootloader flashing. However, you can send M997 over USB if a bootloader already exists, but the SD method is more reliable.
Q: Will updating firmware reset my EEPROM settings?
A: Yes. Always save your E-steps, PID, and mesh data before updating. Restore them using M92, M301, etc., after the update.
Q: Does the Two Trees Sapphire Pro support Klipper?
A: Absolutely. Many users abandon Marlin and flash Klipper. The firmware upd process for Klipper requires a different setup (Raspberry Pi + Flashing via SD card with Klipper’s .bin file). This is a separate guide but uses the same firmware.cur method.
Q: My printer's original firmware is very old (2021). Can I directly upgrade to the newest?
A: Yes, but you must compile for your specific board. The config structure changed in Marlin 2.0.9+, so compare your old Configuration.h settings (like bed size, probe offsets) with the new template.
For most Two Trees Sapphire Pro units with the TT 32-bit board, the manufacturer designed an SD card bootloader. This is the recommended upd method.
Download the firmware – Look for a file named firmware.bin for your specific board. Two Trees official naming: TT_SapphirePro_Vx.x.bin.
Format SD card – FAT32, allocation unit size 4096 bytes. Name the card TT32 (case-sensitive).
Rename firmware – Copy the .bin file to the SD card root and rename it to sapphire.bin.
Power off the Sapphire Pro completely. Unplug the power supply.
Insert SD card into the onboard slot (not the front panel USB slot).
Power on the machine. You will see the status LED blink rapidly for 10–20 seconds, then solid.
Remove SD card and reboot the machine.
Verify – Connect to LightBurn and type $$. The version string should show the new date/code.
⚠️ Warning: Do NOT power off during the LED blinking. This corrupts the bootloader.