Heat Presses are intended for use with SUBLIMATION Tumblers only. Sublimation Tumblers have a special coating for use with sublimation ink. The Tumbler Supply Store recommends users follow instructions provided with the machine. Your results may vary based on time, temperature, sublimation paper quality, sublimation ink quality and many other factors. The Tumbler Supply Store is not responsible for misprints due to application methods or products used when using the Heat Press.