here is my startup gcode, change the purge length & speed for your printer and location... G28 ; home all axes M106 S[fan_speed_pwm]; disabled fan G01[b] X0 Y100[/b] Z0.25 F5000; goto purge location M190 S[bed0_temperature]; heating bed M109 S[extruder0_temperature]; heating extruder G92 E0; res...