Technology Type: Monochrome (Black & White) Laser Printer & Fax. Print/Copy Speed: Up to 21 ppm (Letter). Up to 20 ppm (A4). Fax Modem Speed: 33.6Kbps (Very Fast Fax Modem). Fax Memory: 8MB capacity, can store up to 600 pages in memory (in case of paper out). Speed Dial: Includes 20 one-touch speed dial buttons