On-Demand SURF (Surface Rapid Fixing) technology uses a linear ceramic heater for fast warm up and quick first prints. Directory search allows fast access to stored phone numbers. Large fax page memory for retrieving previous faxes. Toner saving mode reduces toner use by up to 20 percent. Single-cartridge toner system makes toner replacement a snap. Auto document feeder allows unatended faxing and copying. Print Technology: Laser; Maximum Print Speed (Black): 15.0 ppm; Maximum Print Speed (Color): N/A; Network Ready: No.