Printer Friendly

I'm interested in your previous reply regarding adding page break to the print friendly function.
<br style="page-break-before:always;">
a) How can I change the print friendly to print all records.

<img src='https://asprunner.com/forums/file.php?topicimage=1&fieldname=question&id=4837&image=1&table=forumtopics' class='bbc_emoticon' alt='B)' /> Where do I insert the page break ? Which html file ?
Thanks.