Update M142 command for setting cooler temp

turnkeylaser.py

@@ -819,7 +819,7 @@ class Gcode_tools(inkex.Effect):
         gcode += ("M5 \n");
         gcode += ';End of Raster Image '+str(curve['id'])+'\n\n'
         if float(self.options.cooler) > 0.0 and bool(self.options.cooleronstop):
-           gcode += 'M140 C'+str(self.options.cooler)+' ; continue to cool down laser\n'
+           gcode += 'M142 S'+str(self.options.cooler)+' ; continue to cool down laser\n'
 
         return gcode
     
@@ -1449,7 +1449,7 @@ class Gcode_tools(inkex.Effect):
         
         gcode += "M80 ; Turn on Optional Peripherals Board at LMN\n"
         if float(self.options.cooler) > 0:
-           gcode +="M140 C S"+str(self.options.cooler)+"\n"
+           gcode +="M142 S"+str(self.options.cooler)+"\n"
 
         #Put the header data in the gcode file
         gcode += """