1.Has the web page fully downloaded, Scroll the page down and check all pictures and place holders and text to the bottom of the web page are there.
Is there a printer freindly option available for the web page ? If so use this.
Is the web page protected or is there an error on the page ? This will show as a yellow icon on the bottom left of your screen near the corner.
What is the web page you are trying to print from and we can test it for you as long as its not offending material.
Also which Windows are you using ?