/usr/share/cups/templates/help-printable.tmpl is in cups-server-common 1.7.5-11+deb8u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=utf-8">
<TITLE>{HELPTITLE}</TITLE>
<LINK REL="STYLESHEET" TYPE="text/css" HREF="/cups-printable.css">
<LINK REL="SHORTCUT ICON" HREF="/images/cups-icon.png" TYPE="image/png">
</HEAD>
<BODY>
|