How to embed button print this page into website/blog?

In the previous article already written how to install facilities Print this page with image. Now, how do I install the facility Print this page with a button?
Examples like the picture below.

Print this page facility will allow readers or visitors to print an article on your blog. If you want to set it up like the picture above, do the following:

1. Login to http://www.blogger.com/
2. Copy this code, parse the code here.

<form>
<input type="button" value="Print this page" Onclick="print()" ;>
</form>

3. Embed button Print this Page under the title of article:
Copy the code have been parsed , and paste in your blog.
 Dashboard >> Design >> Edit HTML >> check Expand Widget Templates >> find

<div class='post-header'>
<div class='post-header-line-1'/>
paste your code here
</div>

4. Save

If you want to Embed button Print this Page under the article:

Dashboard >> Design >> Edit HTML >> check Expand Widget Templates >> find

<data:post.body/>

Copy the code have been parsed, and paste the code under <data:post.body/>
And save.