Speedy Inks Remanufactured Ink Cartridge Replacement for HP 82 C4911A (Cyan) For use in: HP DesignJet 500, HP DesignJet 500PS, HP DesignJet 800, HP DesignJet 800PS, HP DesignJet 510, HP DesignJet 815MFP, HP DesignJet 820MFP, HP Designjet Copier cc800ps Page Yield: 3,200* Shelf Life: 12-18 Months Color: Cyan The use of aftermarket replacement cartridges and supplies does not void your printer's warranty