HP 304 black Ink Cartridges produce high-quality marketing materials and photos with vivid colour and sharp graphics that resist water, smearing and fading. Take advantage of premium HP quality for a new, low cost.

Count on professional-quality documents. H.P ink cartridges provide impressive reliability for dependable performance, consistent page yields, and standout results. Quickly print with individual inks and high-yield cartridge options.

Ideal for large workgroups who need dependable performance for affordable, professional-quality printing, page after page.

Deliver consistently impressive printed output, using HP ink cartridges designed for business use. Enhance document quality, using office papers with the ColourLok symbol. Easy Printer Care simplifies supplies management for multiple printers.

Enhance the quality of your documents, using office papers with the ColourLok symbol.

Print professional-quality color documents at a lower cost than laser, using HP inks. Get a great value using economical, individual ink cartridges. Ensure consistent results with HP ink cartridges.

Print professional colour documents at up to 50% lower cost per page than laser, using HP Officejet inks.

Legal disclaimer: HP Toners and Inks sold must be original and manufactured by the brand owners. Please be aware that HP will not honor warranties for any or all counterfeit products or products sold or supplied via unauthorized offline and/or online distribution channels.
HP brand and our affiliates strongly encourage our clients and potential clients to avoid any counterfeit products by all means that are falsely distributed via unauthorized online and/or offline distribution channels. Online offers of supplies are monitored and will be reported to authorities in case evidence of counterfeit or fraud is identified. Any merchant flagged for selling counterfeit HP Cartridges or violating policies against counterfeit sales would have their stores suspended.
Not sure if you have Original HP printing supplies, See here //www.hp.com/us-en/cartridge/anti-counterfeit.html