Genuine HP 940 Inkjet 4 Color Combo Pack-Black/Cyan/ Magenta/Yellow
roduct type : HP OFFICEJET PRO 8000/HP OFFICEJET PRO 8500  Includes :  Black : 1 HP 940 C4902S Black ink cartridge	    Cyan : 1 HP 940 C4907S Cyan ink cartridge            Magenta : 1 HP 940 C4908S Magenta ink cartridge            Yellow : 1 HP 940 C4909S Yellow ink cartridge Ink type : Pigment based ink             Black / Magenta / Yellow / Cyan Yield : Black - 1,000 Pages per cartridge        Color - 900 Pages per cartridge Shelf Life : 6 months after opening (1 year warranty from the date of purchase)