I just installed ny Note 10.1 but in the bottom left bar there is no screenprint icon. My partner has a 10.1 too, although a version including 3G/phone, and his tablet has such screenprint icon.
how to find/get mine?
You can also use the S Pen to take screenshots. Just press and hold the S Pen button and press the nib on the screen and hold until you hear the shutter sound and you see a glow