You probably have to create a new css file called print.css.... then insert a reference to it in your index.php file:<link rel="stylesheet" href="http://www.yourdomain.com/templates/<?php echo $mainframe->getTemplate(); ?>/css/print.css" type="text/css" media="print" />
In this css file, you need to specify that all the elements that make up the logo.. ID's and Classes, must be visible.