What speed are you printing at? Supports and infills are printed at higher speeds than outer shells, and you may be pushing your extruder further than it can go. Try halving your speed as a test and...
Type: Posts; User: Alibert
What speed are you printing at? Supports and infills are printed at higher speeds than outer shells, and you may be pushing your extruder further than it can go. Try halving your speed as a test and...
My experience is that too high temperature turns PLA into solids.
Maybe you should dismantle the extruder and check the heatbreak, nozzle and (if present) the ptfe tube?
Your print temperature is the one for ABS, not PLA. Turn it down to 200 C to start with (also in the display in preheat settings if you preheat).
At 230-250 your are burning your PLA, thus causing...
What polymer are you printing with?
What temperature of the nozzle?
What printing speed?