The HP 640 Fax is the complete fax machine and telephone condensed into a compact, versatile chassis. Easy to use menus and one touch buttons make sending, receiving and working with faxes easy. The HP 640 fax takes a grand total of 6 seconds to send a s... Read More

The HP 640 Fax is the complete fax machine and telephone condensed into a compact, versatile chassis. Easy to use menus and one touch buttons make sending, receiving and working with faxes easy. The HP 640 fax takes a grand total of 6 seconds to send a single page, and has automatic redial and 50 sheet paper tray for getting extended jobs done quickly. Short description