Guide how to upgrade your Original Prusa i3 MK3 printer with Raspberry Pi Zero W and OctoPrint. To learn more about OctoPrint, please visit octoprint.org

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Printer doesn’t work when Pi is attached

Whenever I attach the Pi Zero to the RAMBo board, upon booting up, the screen turns white and doesn’t move from that point. I have checked that it is attached alright. Any ideas on what is wrong?

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I have the same problem. Pins appeared to be soldered correctly and the Raspberry works fine with Octopi running by itself, but when I connect it to the EINSY the printer wont boot up. I just get a blank screen.

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Hi David, the RPi port is enabled?

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Yes, the RPI port is enabled. When connected to the back of the EINSY the green LED light is not on. Also, and it may not be significant, but when I received my kit there was a small brown sticker on the GPIO header on the EINSY board. I had to remove it to insert the Pi. Does that sticker indicate the header may have been bad...?

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I am unable to test that the raspberry pi works, for lack of an HDMI mini cable, but as far as I can tell, it works. My situation is still similar to David’s. I also had the sticker, and when I got a new EINSY (Long story) it also had the sticker. I am not sure this means anything, but hopefully we can get this fixed?

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I also tested/experimented with putting the pi into the EINSY. It doesn’t work with neither the Pi port enabled nor disabled.

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All,

After an hour of troubleshooting with Prusa Support we could still not get OctoPrint to work on the Pi when attached to the EINSY. Support finally decided to send me a new EINSY board for replacement. (Many thanks to Shane for his help with all this!) After receiving the new board, I attached the Pi and was immediately able to connect to the OctoPi server via a browser and use OctoPrint. All is working as expected! Support said they never saw an issue like this before with the Pi. Recommend you contact Prusa Support for help on this!

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Hi David, glad to hear it is solved. Already discussing this with our head of the development.

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If you think about it, it's also possible that the original EINSY board's EEPROM wanted an update. Perhaps this was the least-costly solution to the problem rather than shipping a part and the customer desoldering/uninstalling..., etc.

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Hi Wesley,

are you sure the pins are soldered correctly? The Raspberry itself it running ok? If you have a power supply for the Pi, try to run it separately.

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Wesley Campbell will be eternally grateful.
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