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Fly-D7 Documentation Index

Quick Navigation​

1. Preparation​

Hardware Checklist:

  • Mainboard: Fly-D7
  • Host Computer:
    Host Compatibility Note
    • Recommended Models: Fly-PI-V3, Raspberry Pi 4/5, and other standard hosts
    • Unsupported Models: Redmi phones, WiFi dongles & set-top boxes, various non-standard modified hosts
    • Important Note: Using non-standard hosts may lead to system instability, functional anomalies, or inability to operate normally
  • Data Cable: One Type-C data cable
  • Connection Method: Must use Type-C to connect to the host
  • Power Supply: 12V‑24V power adapter (ensure voltage is within range)
  • Computer: Windows PC (or other computer capable of using SSH tools)
Preparation Notes
  • It is recommended to use a reliable, high-quality Type-C data cable; poor-quality cables may cause unstable connections.
  • The power adapter's wattage must meet the printer's requirements; a minimum of 300W is recommended.
  • Ensure the host computer has a Klipper-related system (e.g., MainsailOS) installed.

2. Usage Guide & Important Notes​

Core Principle: Most issues are caused by configuration, connection, or power supply inconsistencies. Below are important notes for the Fly-D7:

3. Firmware Flashing & Device Identification​

1. Firmware Explanation & Mode Selection​

2. Flashing USB or CAN Firmware​

Choose the corresponding firmware based on the connection method:

Step Explanation
  • Device Identification: After flashing, be sure to record the device ID/UUID, as it is essential for Klipper configuration.
  • Fallback Solution: If flashing fails, you can try flashing the BL firmware first.

4. Hardware Connection & Klipper Configuration​

Includes:

  • Explanation of mainboard interface functions
  • Wiring methods for motors, heaters, sensors, etc.
  • Klipper reference configuration files

Related Documents:

Connection Safety Tips
  • Before any wiring operation, ensure the power is completely disconnected.
  • Confirm the power polarity is correct; reversing it may damage the mainboard.
  • Refer to your printer frame diagram for motor wiring sequence.
  • Check thermocouple connections before heating the heated bed and hotend.

5. Advanced Features & Advanced Configuration (Optional)​

Optional Features:

  • Marlin Firmware: Use Marlin firmware as an alternative to Klipper.
  • External Toolboard: Supports multi-toolhead systems.

Related Documents:

Extended Function Notes
  • It is recommended to configure and test extended features one by one to avoid changing too many parameters simultaneously.
  • Toolboard connection is suitable for multi-toolhead 3D printers.

6. Technical Data & Resources​

Includes:

  • Schematic download
  • PCB layout diagram
  • 3D model files

Related Documents:

Usage Recommendations​

For Beginners:​

  1. Start with Preparation to ensure all hardware is compatible.
  2. Carefully read the Important Notes section to avoid common mistakes.
  3. Complete the steps in order: Firmware Flashing → Hardware Connection → Basic Testing.
  4. If you encounter issues, first check the Troubleshooting related documents.

For Experienced Users:​

  1. Go directly to the specific functional document you need.
  2. Refer to Technical Data for detailed technical parameters.
  3. Configure Advanced Features as needed to improve printing performance.
  4. You can try Marlin Firmware or other extended features.
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