First, thank you for such a thoughtful response.
We did consider this but wanted to try just one thing at a time so the nozzle was the last effort.
We’ll replace the extruder gear assembly next and see if that helps.
We also have bowden tube that we can replace after that and skip the oil as we make functional parts.
The Sunlu dryer has almost no resistance and rolls really nicely but we can try a direct mount. I had thought it may be a problem inside the AMS that was pinching the filament but it was as bad or worse without the AMS (from Sunlu dryer).
Last finished print after nozzle replacement. Bambu PLA Basic.
