Lexmark B2546dw Laser Printer, with its powerful processor, output up to 46 pages per minute, enhanced security and standard Wi-Fi, supports the success of medium-sized workgroups in all their mono printing. Lexmark B2546dw also includes 2.4" color LCD, 512MB memory, 1.0 GHz MHz, 250-sheet input tray, double-sided printing and more.