In order to take a screenshot, be sure to press and hold the menu and the on/off button at the same time for some seconds. Wait for a picture like sound.

After that go to your photos tab and you should find the image there.

For Android Devices:

In order to take a screenshot, be sure to press and hold the on/off button and the volume down button at the same time for some seconds. Wait for a picture like sound

You will know that the process was done as the image on your screen will appear under the photo gallery.

For Amazon Devices:

Before taking a screenshot, locate the Volume Down button and the Power button. With the device powered on, press and hold down the Volume Down button and Power button together for one second.