Brother IntelliFax-4100e High-Speed Business-Class Laser Fax (15ppm)High speed 33. 6K bps SuperG3 fax modem. Fax throughput is optimized with a modem capable of transmitting as fast as 3 seconds per page or of slowing down automatically to communicate with slower machines. 8MB memory. Stores up to 500 fax pages allowing multiple faxes to be stored in memory for transmission when the line is free. 250 sheet expandable paper capacity. A high capacity front loading paper tray is easily accessible and reduces the time