I have had very similar error messages with my cheap Chinese printer and this is ultimately why I ended up always printing via the SD card and stop worrying. Added printing info at top to make it a little more clear what I was using.įrom the look of it, and given that you already two different slicers, it look like this may be a hardware issue. I've tried using a different interface for printing, but nothing helps.Īny ideas on solving this? I feel like I am missing a small but simple detail here to making it work. I have gotten this using Cura 3.1 to slice as well as Cura 15.04.6 (though the error above was using the Cura 15.04.6). Unexpected error while writing serial port: SerialException: 'WriteFile failed ( The device does not recognize the command.)' machineCom.py:_sendCommand:565Ĭhanging monitoring state from 'Printing' to 'Error: SerialException: 'WriteFile failed. Serial timeout while writing to serial port, trying again. It stays heated, fan keeps blowing, but print has failed. The print goes well for the first couple layers then just stops. Printing software: Whatever Cura 15.04.6 comes with when printing from USB Slicer: Cura 15.04.6 (also tried Cura 3.1)

Printer: Printrbot Simple Metal with heated bed Disclaimer: I have read about this elsewhere but haven't found a solution.

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