M291 P"Homing all axes"
G28
M291 P"Heating bed & nozzle"
M190 S50
M109 S180
M291 P"Running mesh compensation"
G29
M291 P"Done - turning heaters off"
M140 S0	
M140 S-273.15 R-273.15
G10 P0 S-273.15 R-273.15