I have had this oven for almost a year and do love it.  However, when I bake at 400 or higher, it smokes us out of the kitchen!  I have the vent from the gas stove on and the oven totally smokes over - you can't even see inside.  Everything else works lovely.  I have tried to look up the cause in troubleshooting but no luck.  I will keep at it until we can figure out what is happening.