Laser Tek Services 4 Pack Ink Cartridges for the HP CN053AN CN054AN CN055AN CN056AN HP 933XL OfficeJet 6100 6600 6700 Package contains 1 Black CN053AN, 1 Cyan CN054AN, 1 Magenta CN055AN, and 1 Yellow CN056AN Replacment Ink Cartridges Product Comes with a 1 year 100% Satisfaction Guarantee! Laser Tek Services offers free technical support for any questions you may have. For use in the following printer models: HP OfficeJet 6100, 6600, 6700, 7110 ePrinter, 7610, 7612 Manufactured by ISO and STMC certified facility.| The Use of Laser Tek Services compatible products will not void your printers warranty. Page Yield: 1,000 pages for black and 825 pages per color @ 5% page coverage