M117 " " ;clear any displayed messages
M117 "Homing all axes"
G28
M117 "Heating bed & nozzle"
M190 S50
M109 S180
M117 "Running mesh compensation"
G29
M117 "Done - turning heaters off"
M140 S0
M140 S-273.15 R-273.15
G10 P0 S-273.15 R-273.15