The HP OfficeJet 4315xi ink cartridges from Carrot Ink are new compatible printer supplies that are guaranteed to meet or exceed the print quality of the OEM (Original Equipment Manufacturer) HP printer cartridges. With Carrot's HP OfficeJet 4315xi supplies you'll save a bunch of money and get just as good of performance. Our HP OfficeJet 4315xi inkjet replacements come with a one year satisfaction guarantee. Federal Law protects you when using compatible supplies for the HP OfficeJet 4315xi and does not void your printer's warranty. OEM OfficeJet 4315xi ink cartridges and supplies finally have real competition.