Originally Posted by touringhaggis
You could also try swiping the side of your open hand over the screen from left to right. This will also take a quick screenshot. It works so well I have to remember to clean the screen from right to left
I tend to use this method the most, then the pen. I can't get the home and power button thing to work really, but someone above said to hit the home first and then power so maybe that'll work. Thanks for the heads up!