- Part Number : 4ZB77A - Function : Only print LaserJet Manual Duplex - Print Speed : up to 21ppm - Resolution : up to 1200x1200 DPI - Memory : 64MB - Duty Cycle : up to 10,000 papers - Toner : W1107A - Interface : HI-Speed USB 2.0

- Part Number : 7MD67A - Function : Single Function, Black Print LaserJet No Duplex - Print Speed : up to 21ppm - Resolution : up to 600x600 DPI - Memory : 16MB - Duty Cycle : up to 8,000 papers - Toner : 150A - Interface : HI-Speed...