RPIZ GPIO connection to Prusa I3 Mk3

Hey team I'm an looking for information in relation to connecting a RPIZ running Rep Server to a Prusa i3 Mk3 using the GPIO pins. A similar setup is available for OctoPrint as detailed in https://help.prusa3d.com/l/en/article/Loz15FAgEk-octo-print-raspberry-pi-zero-w ;

I have attempted to follow the setup steps for Rep then try those listed in the link above and im stuck with Rep not being able to detect the Baudrate or the printer at all.

The link above explains that for Octo to function it needs to use the "ttyAMA0" connection port but it seems not to be visible.

Am looking for any assistance on this topic that can be provided or to know if this is even possible?

Regards JP


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