anyone have there foodsaver kinda stop working on them? mine sucks and sucks and sucks but never rembers to seal i rember when i i first got it it would suck then seal nwo it would just sit there and suck for 20 mins i went threw everything allt he gaskets and o rings ok it sucks good jsut dosent switch over to seal the bag? this is driving me nuts its less than a year old anyone have this problem? anyone know how to fix it?