- Part Number : 7WN42B - Function:  3 in 1 Color Print, copy, Scan (flatbed) Inkjet Manual Duplex - Print Speed:  up to 20ppm - Resolution: 1200x1200 DPI - Memory: 128MB - Duty Cycle:  Up to 1,000 papers - Cartridge: Cartridge: Hp 305 (1BL/1...

- Part Number: 4ZB82A - Function:  3 in 1 Black Print, copy, Scan (flatbed) LaserJet Manual Duplex - Print Speed: up to 20ppm - Resolution: 1200x1200 DPI - Memory: 128MB - Duty Cycle: Up to 10,000 papers - Toner: W1106A<br...

- 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