HP 70 Gray Ink Cartridge (C9450A) Compatible Replacement | Castle Ink

TheHP C9450A remanufactured gray ink cartridgefrom Castle Ink is a direct replacement for the OEM HP C9450A, built for HP LaserJet, OfficeJet, DeskJet or DesignJet office printers. Its an economical way to keep your printer in service without paying full OEM prices, while still meeting the print-quality standards your team expects.Gray ink expands tonal range in black-and-white and mixed-tone photo prints. The C9450A matches OEM density so monochrome gradients stay neutral rather than drifting cool or warm. Every C9450A is assembled with a sealed ink reservoir, OEM-spec print-head interface, and color-balanced ink, then individually tested before shipping. Castle Ink backs every C9450A with a100% satisfaction guarantee: if you arent happy with quality or yield, we replace or refund it.Compatible HP PrintersHP DesignJet Z2100HP DesignJet Z3100HP DesignJet Z3100ps GPHP DesignJet Z3200HP DesignJet Z5200Product SpecificationsSKU:C9450AOEM Reference:HP C9450AColor:GrayCartridge Type:Remanufactured (non-OEM)Format:Inkjet InkBrand Compatibility:HPWarranty:Castle Ink 100% satisfaction guaranteeShipping:Free U.S. shipping; same-day dispatch on orders before 2pm ETFrequently Asked QuestionsWill the C9450A void my HP printer warranty?No. Under the U.S. Magnuson-Moss Warranty Act, your printer manufacturer cannot void your warranty solely because you installed a compatible (non-OEM) cartridge.How does print quality compare to the genuine HP C9450A?The C9450A is engineered to match the OEM cartridges ink chemistry, density and head-firing characteristics so day-to-day output should look essentially identical. If you ever see a difference, our satisfaction guarantee covers a free replacement or refund.How fast will my order ship?Orders placed before 2pm ET ship the same business day from our U.S. warehouse with free standard shipping. Expedited options are available at checkout.