LD Remanufactured Ink Cartridge Replacement for HP 40 51640A (Black) Two Year 100% Guarantee Excellent Print Quality Great Customer Service With LD Products, you can shop online for ink and toner products knowing youll receive the highest quality products available with customer service and support that is unequaled by our competitors. For use in HP: CopyJet, CopyJet Color, CopyJetm, CopyJet M Color, DesignJet 230, DesignJet 330, DesignJet 350c, DesignJet 430, DesignJet 450c, DesignJet 455ca, DesignJet 488ca, DesignJet 650c, DesignJet 650cps, Deskjet 1200c, Deskjet 1200c-ps