On-Demand SURF (Surface Rapid Fixing) technology uses a linear ceramic heater for fast warm up & 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. Single-cartridge toner system makes toner replacement a snap. Auto document feeder allows unattended faxing & copying. Machine Functions: Copy; Fax; Print; Printer Type: Laser; Maximum Print Speed (Black): 15 ppm; Network Ready: No.