What are the fax capabilities of the HP Officejet 6600?

The HP Officejet 6600 faxes at a speed of 3 seconds per page and can store up to 99 pages in fax memory. It supports features including auto redial, delayed sending (black only), fax forwarding, broadcasting to up to 20 locations, junk barrier (requires Caller ID), and PC fax send and archive. Fax resolution is up to 300 x 300 dpi for black.