ST-CBPM:Both sealing blades has the problem of film sticking. Then couldn't seal well? Share Issue Time 10-25-2017 After using the machine, please turn off the power and use the cotton cloth to wiping the sealing cutters when the cutter still have the heat. Also you can paint Teflon on the surface of the cutters. If it’s still not workable, we suggest you to buy a new cutter.