Model name: MYCARTRIDGE Compatible Ink Cartridge Replacement for 934XL 934 XL . Color: Black, Cyan, Magenta, Yellow (total 8 Packs) . Page Yield: Up to 1, 000 pages per photo black ink cartridge Up to 825 pages per color ink cartridge Tips: The page yield is an estimation based on the industry standard of 5% coverage only. If you print more than 5% per page, then the page yield is significantly less . Printer Compatibility: OfficeJet 6220, 6810, 6812, 6815, 6820 OfficeJet Pro 6230, 6830, 6835 Please confirm your Printer Model before placing order. . Warm tips: When you install the new cartridges into printer, Your computer may alert "Non-Genuine", please click "Yes" And continue to print. This will not affect the printout.