Shortcodes you can use
Custom Header or Footer Elements Hook
If you want to show custom header or footer data in your post PDF you can use this filter: wordpress_print_posts_header_footer_html
An example:
add_filter('wordpress_print_posts_header_footer_html', 'custom_print_posts_header', 10,...
Usage: Embed the Shortcode into a Page
Shortcode Support
A Shortcode can be used inside posts / pages to show the print icons for the current post or page. The Shortcode is:
]
Default values
post = current...