Geeetech

Forgot to mention i have also checked belt tension and all the screw, i don't really know

I have all set up correctly, i use simplify 3D but also used repetier host with success before, nozzle is 0.3, using sunlu pla+ filament 1,75mm, i tried from 190 to 215 in steps of 5 degrees, same results, also tried different speeds of retraction, having troubles also in vase mode. I switched also ...

I have the pro w since September, i managed to make it work very good using simplify 3d, i was satisfied with my prints, the only issues not resolved was a bit of ringing, but from last month i had terrible results.
I managed to clean the nozzle, calibrated the extruder, tried almost everything with ...

Hi, check the spring on your extruder, mine was loose so it barely grab the filament, causing the extruder impossible to calibrate, just bought a stronger slightly longer spring that make more friction to the filament.