Basic Information: Printer Model: Ender 3 v2 2020 2023 MCU / Printerboard: Creality 4.2.2 board Host / SBC : Pi Zero. Also tried Pi 5 klippy.log Starting Klippy... Args: ['/home/alex/klipper/klippy/klippy.py', '/home/alex/printer_data/config/printer.cfg', '-I', '/home/alex/printer_data/comms…

Ok. So it turns out most all my micro use cables data transfer is broken except for the one I just tried. That’s was likely the issue the entire time… Now if you excuse me, I must scream at the heavens.

GD as in Giga device right? The board has a giga device chip on it. [signal-2025-07-02-01-27-56-875] I previously read through the page you link but it hasn’t been helpful for my issue unfortunately. I may have missed something but can’t quite figure out what that would be.

Is there any output I should expect from the printer on successful flash aside from it showing up in klipper? I’ve also tried flashing the firmware binary found {here}( Support for new Creality boards 4.2.2 with GD32F303 - #30 by d00vy ) but it doesn’t seem to work. I’ve tried with and without the LC…

Failing to flash Ender3 v2

General Discussion

Sineos July 2, 2025, 5:51am 2

The Disable SWD setting is most likely incorrect unless you have visually verified that it is a GD chip on your board. Otherwise, see Issues flashing the printer board

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Failing to flash Ender3 v2

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