;tfree1.g: ;G28 X U ; home the X and U carriages M83 ; relative extruder movement G1 E0 F3600 ; retract 2mm M106 S0 ; turn off our print cooling fan G91 ; relative axis movement G1 Z3 F500 ; up 3mm G90 ; absolute axis movement G1 S2 U0 F6000 ; park the U carriage at +248mm