QINK (Combo Sets) 2Pack Remanufactured HP 940 PrintHead C4901a C4900a and Set of 5 Pack HP 940 940XL High Yield Ink Cartridges for HP 8000 8500 Series Printer Contents: 1* Pack Cyan/Magenta 940 Printhead; 1* Pack Black/Yellow 940 Printhead;2*Black Ink Cartridge;1*Cyan Ink Cartridge;1*Magenta Ink Cartridge;1*Yellow Ink Cartridge Compatible for officejet pro 8000. 8500, 8500A,8500A plus, 8500A premium Ink Cartridge Pages Yield: Up to 2200 Pages for Black one; Up to 1400 Pages for each color 100% Satisfaction Guaranteed. We stand behind every product we sell and offer a 100% satisfaction guarantee for a full refund (excluding shipping costs) of the purchase price within 30 days. Defective cartridge can be exchanged within 90 days.