HP 70 Photo Black Ink Cartridge (C9449A) – Compatible Replacement | Castle Ink

SKU: C9449A (HP 70)  |  Type: Compatible Wide-Format Ink Cartridge  |  Color: Photo Black  |  Brand: HP Compatible  |  Volume: 130 mL  |  Availability: In Stock

HP 70 Photo Black Ink Cartridge (C9449A) — Compatible Replacement

The HP 70 (C9449A) is a 130 mL photo black pigment ink cartridge for HP DesignJet Z-series wide-format printers used by photographers, fine-art print labs, and pro graphics shops. Castle Ink's compatible C9449A delivers deep, neutral blacks with smooth tonal transitions for black-and-white photo prints, fine-art reproductions, and high-density graphics — at a meaningful discount versus genuine HP 70 stock. Each cartridge is precision-filled with archival-grade pigment ink formulated for long print life on photo and fine-art papers.

Why Choose This Compatible Cartridge

• Save up to 55% versus the genuine HP 70 (C9449A) photo black cartridge.
• True 130 mL volume for fewer cartridge changes during long photo print runs.
• Deep, neutral photo black with smooth tonal gradation for B&W and fine-art output.
• Drop-in installation — no firmware updates, chip resets, or printer reconfiguration required.
• One-year quality guarantee from Castle Ink, with U.S.-based pro-graphics support.

Compatible Printers

• HP DesignJet Z2100
• HP DesignJet Z3100 / Z3100ps GP / Z3200 / Z3200ps
• HP DesignJet Z5200 / Z5400

Best Use Cases

This HP 70 Photo Black is the right choice for photo print labs, fine-art reproduction studios, museums, and pro graphics shops running DesignJet Z2100/Z3100/Z3200/Z5200/Z5400-class wide-format printers. Choosing the Castle Ink compatible version meaningfully lowers ink cost on long-edition print runs, gallery work, and proofing — without changing your color workflow or print quality expectations.

Frequently Asked Questions

Is this an original HP cartridge?
No — this is a Castle Ink compatible HP 70 (C9449A) replacement, not an HP-branded OEM product. It is engineered to match the original in fit, volume, and print performance.

What kind of warranty is included?
Every Castle Ink cartridge ships with a one-year quality guarantee. If you have any issue, we'll replace or refund — no questions asked.

What is the ink volume?
Each cartridge contains approximately 130 mL of photo black pigment ink, matching the OEM HP 70 spec.

What if it doesn't work in my printer?
Contact our U.S.-based support team and we'll troubleshoot, replace, or refund — no restocking fees, no hassle.