I'm using Cura
I printed the first two files with PLA, that were on the SD card OK. I then sliced the model we built and put it on the card. It loaded OK and printer OK from the card with PLA. I have not remover the card after writing the model to it. The only thing that has changed that I know of is the filament. I put on a spool of PETG and loaded the model. The head will do the dance then move out to the center of the bed and start extruding about ¾” if an inch above it. Same thing with either of the files that came on the card. I did set the timps for PTEG. I also tried pre-heating “quick settings” – ABS but still no go.