These products are guaranteed to work with your Canon FAXPHONE B640 printer.
The Canon FAXPHONE B640 is a highly efficient fax or printer that is capable of sending or receiving the fax at a very high speed. This Faxphone supports a very high fax resolution that delivers an extremely high productivity. You can use this Faxphone in your business work, in your office and for personal use as well. The Canon Faxphone B640 delivers very high performance and is very convenient to use as all of its features are user friendly and can be handled by anyone easily.