Figured it out - indeed the channel in my filament drive was quite worn away. Not sure why that happened so fast, only using standard black PLA from Makergear and white PLA from Polymaker with less than 50 total print hours on my M2. Anyway, I managed to print a replacement filament drive at work in...

Having filament drive-related extrusion issues making it impossible to print. Motor is failing to extrude or retract filament without manual pushing/pulling assistance. I'm working with a brand new M2 (between 40-80hr printing since arrival 2wk ago) but have experience using an M2 day in, day out at...