The Faxphone B640 is an integrated telephone, copier and fax machine that Canon released in 1998. While Canon discontinued the Faxphone B640 in 2003, you can still buy it on the second-hand market. Canon designed the Faxphone B640 for use in businesses as well as home offices. Unlike more recent modern faxing and copying units, the Faxphone B640 can only print copy in monochrome or black and white. Several other specifications stand out as examples of the Faxphone B640's design and performance.