Samsung SCX-4521FG Monochrome Laser Printer Fast, high resolution printing at 20 ppm/black. Fast faxing with 3-second scan and 3-second transmission. 4800 dpi enhanced color scanning. Economical one touch toner saver extends ink cartridge by 40%. Able to print up to three times larger than original size document on multiple sheets of paper. Global Product Type: Copier/Fax/Multifunction Machines; Print Technology: Laser; Maximum Print Speed (Black): 20.0 pages/min; Maximum Print Speed (Color): N/A.