On browser toolbar:

• select "View", "Text Size", "Smallest" - select "File", "Page Setup...",
• clear the "Header" and "Footer" values
• select "Landscape"
• set "Margins (inches)" to "0.25" (smaller values may be allowed depending on printer drivers)
• press "OK 
•  use "File", "Page Preview..." to verify the settings are going to work on your printer installation
• print the current directory

After printing, you may elect to reset your "Text Size" and to replace your "Header" and "Footer" values before closing the browser window:

Header: &w&bPage &p of &P

Footer: &u&b

continue to the One-Page Telephone Directory