sd card slot loose? card reloads randomly at times – Hardware, firmware and software help – Prusa3D Forum
SD Card incompatiblity-Alternatives? – Hardware, firmware and software help – Prusa3D Forum
upload code to octoprint then print via mk3S SD card instead of though octoprint stream – User mods - OctoPrint, enclosures, nozzles, ... – Prusa3D Forum