Firmware Flashing Instructions
Host Connection Instructions
Core Connection Limitation
The Fly-D7 mainboard can only communicate with the host via the Type-C USB interface for Klipper.
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Connection Requirements:
- Use a high-quality Type-C data cable to ensure stable data transmission.
- It is recommended to avoid using excessively long data cables (not exceeding 1.5 meters).
- Connect to a standard USB-A port on the host.
How to Select the Correct Firmware
🔧 Firmware Selection Rules
Please select the correct firmware according to your connection method and toolboard type, following the rules below:
| Configuration Scenario | Mainboard Firmware | Toolboard Firmware | Key Notes |
|---|---|---|---|
| Without Toolboard (Direct USB Connection) | USB Firmware | — | Most common configuration, suitable for most single-extruder printers. |
| Using CAN Toolboard | CAN Bridge Firmware | CAN Firmware | Communication via CAN bus. Note: The mainboard must be flashed with CAN Bridge firmware; otherwise, a USB-to-CAN adapter (such as UTOC) needs to be prepared. |
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