Hasn't been used much. Spool-holding bolt is inadequate to hold a spool. Doesn't appear to be extruding ABS even at 230 C. Investigating. RD 5/8/2015 | Hasn't been used much. Spool-holding bolt is inadequate to hold a spool. Doesn't appear to be extruding ABS even at 230 C. Investigating. RD 5/8/2015 |