I'll provide you an alternative.
You can take screenshot by Snipping Tool.
Make a short cut of Snipping Tool (%windir%\system32\SnippingTool.exe).
What do you mean by "the print screen button"? Isn't it a KEY of [PrintScreen]?
If it is a BUTTON provided specially for your computer or keyboard, consult the shop you bought it or manufacturer.
Ashidacchi