Firmware Flashing Instructions

How to Determine Which Firmware You Need

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• Note: Since the C8 is an integrated mainboard with both upper and lower computers, unless using a CAN tool board, you must select the USB firmware!!!
• When using a CAN tool board, you must select the CAN bridge firmware.

• USB Firmware
  • Advantages: The most common connection method in 3D printing, reliable and stable communication.
  • Disadvantages: Multiple USB devices may affect data transmission.
• USB Bridge Firmware
  • Advantages: Can connect multiple devices simultaneously without occupying USB ports. Only required when using a CAN tool board.
  • Disadvantages: The initial firmware compilation and flashing process may be more complicated.

DIP Switch Introduction

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The FLY C8 connects to the upper computer via DIP switches. Incorrect switch positions will prevent normal operation.

Important

Please note that the DIP switches must be set to specific positions to establish a proper connection with the upper computer.

Connecting to the Onboard Upper Computer

• Move DIP switches 1 and 2 to the right to connect the lower computer to the upper computer via the built-in USB.
• Move DIP switches 3 and 4 to the left; otherwise, the connection between the lower and upper computers will be affected.
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• After setting the DIP switches as described, the lower USB port will be occupied by the lower computer. Do not connect other devices to this port.
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Connecting to an External Upper Computer

• Move DIP switches 3 and 4 to the right to connect the lower computer to the upper computer via the built-in USB.
• Move DIP switches 1 and 2 to the left; otherwise, the connection between the lower and upper computers will be affected.
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