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Fly-D7 Documentation Index

Quick Navigation​

1. Preparation​

Hardware Checklist:

  • Mainboard: Fly-D7
  • Host Machine:
    Host Machine Compatibility Notes
    • Recommended Models: Fly-PI-V3, Raspberry Pi 4/5, and other standard host machines
    • Unsupported Models: Redmi phones, WiFi dongles, and set-top boxes, various non-standard modified host machines
    • Important Note: Using non-standard host machines may cause system instability, functional abnormalities, or inability to operate normally
  • Data Cable: One Type-C data cable
  • Connection Method: Must use Type-C to connect to the host machine
  • 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 quality Type-C data cable; poor-quality cables may cause unstable connections.
  • The power adapter wattage must meet the printer's requirements; a minimum of 300W is recommended.
  • Ensure the host machine has a Klipper-related system installed (e.g., MainsailOS).

2. Usage Guide and Precautions​

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

3. Firmware Flashing and Device Identification​

1. Firmware Description and 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; this is essential information for Klipper configuration.
  • Alternative Solution: If flashing fails, you can try flashing the BL firmware first.

4. Hardware Connection and Klipper Configuration​

Includes:

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

Related Documents:

Connection Safety Tips
  • Ensure the power is completely disconnected before performing any wiring operations.
  • 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 and 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 functions one by one to avoid changing too many parameters simultaneously.
  • Toolboard connection is suitable for multi-toolhead 3D printers.

6. Technical Documentation and Resources​

Includes:

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

Related Documents:

Usage Suggestions​

For New Users:​

  1. Start from Preparation, ensuring all hardware is compatible.
  2. Carefully read the Precautions section to avoid common mistakes.
  3. Complete in order: Firmware Flashing → Hardware Connection → Basic Testing.
  4. If encountering issues, first check the Troubleshooting related documents.

For Experienced Users:​

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