Enjoy the 40 GB HP high-performance embedded hard disk. 320 MB total memory quickly and easily handles complex print jobs. Fax documents effortlessly with the revamped, easy to use interface. 100-sheet multipurpose tray handles heavy custom media up to 58 lb bond. Side door allows convenient access to four, all-in-one HP print cartridges. 50-sheet ADF scanner processes two-sided documents at full speed. Print Technology: Laser; Maximum Print Speed (Black): 30 ppm.