Features As fast as 27 ppm print speed; 5.0-second time to first page Clear, crisp 600 x 2400 dpi output Separate toner and image drum configuration for lower operating costs Compatible with Windows Vista, XP, 2003, 2000 and Windows NT 4.0; Mac OS 9.1/10.1and higher 266 MHz PowerPC processor Upgradable to 288 MB RAM Standard USB and parallel ports; available with internal or external print server and Serial connectivity Up to 7,000-page toner capacity Fully-enclosed 250-sheet paper tray to keep paper clean and free from curling