Product Specifications
| SKU | C9451A |
|---|---|
| OEM Part Number | C9451A |
| UPC / GTIN | 810000266418 |
| Cartridge Type | Ink Cartridge |
| Compatible Brand | HP |
| Condition | New |
| Warranty | 100% Satisfaction Guarantee |
Compatible Printers
This ink cartridge is compatible with the following HP printers:
- DesignJet Z2100
- DesignJet Z3100
- DesignJet Z3100ps GP
- DesignJet Z3200
- DesignJet Z5200
Product Description
The HP C9451A remanufactured gray ink cartridge from Castle Ink is a direct replacement for the OEM HP C9451A, built for HP LaserJet, OfficeJet, DeskJet or DesignJet office printers. It’s 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 C9451A matches OEM density so monochrome gradients stay neutral rather than drifting cool or warm. Every C9451A 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 C9451A with a 100% satisfaction guarantee: if you aren’t happy with quality or yield, we replace or refund it.
Compatible HP Printers
- HP DesignJet Z2100
- HP DesignJet Z3100
- HP DesignJet Z3100ps GP
- HP DesignJet Z3200
- HP DesignJet Z5200
Product Specifications
- SKU: C9451A
- OEM Reference: HP C9451A
- Color: Gray
- Cartridge Type: Remanufactured (non-OEM)
- Format: Inkjet Ink
- Brand Compatibility: HP
- Warranty: Castle Ink 100% satisfaction guarantee
- Shipping: Free U.S. shipping; same-day dispatch on orders before 2pm ET
Frequently Asked Questions
Will the C9451A 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 C9451A? The C9451A is engineered to match the OEM cartridge’s 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.
- See all HP Ink Cartridges