[Solved] PETG filament stuck  

PETG filament stuck

I made my first print with PLA without issues. Now I try PETG. This is a second hand printer, so not sure about it's history.

I bought this Prusament PETG from Clearance:  https://www.prusa3d.com/product/prusament-petg-signal-white-1kg-clearance/

The page says temperatuer setting: 250 C.

In PrucaSlicer, I also set to "Prusament PETG".

I loaded PETG into the printer.

While printing, it stops every minute or so, saying the filament is stuck. I unloaded/loaded so many times.

Did cold pull

I noticed in the hardware settings, on the printer, that high flow was enabled. I disabled it as I have a standard .4mm nozzle. I don't know why by default it was enabled??? I had already done factory reset!

Also, why the filament PETG setting on the printer (manage filaments) is set to 230 C? Can it be the issue? Do I have to change the nozzle? Can I make a nozzle replacement tool out of PLA?