HP 950 Black Officejet Ink Cartridge provides professional-quality printing on page after page. Bring laser-quality black text to your documents and marketing materials, and easily recycle your cartridge.it ensures dependable, high-quality results with every print. Use HP Officejet inks and impressive reliability features for worry-free consistency, page after page. HP printers, inks and papers are designed and tested together for optimal results. Make a strong impression with business-quality black-and-white documents and sharp black text. Your documents and marketing materials will stand up to highlighter pens and water, and resist fading over time1,2.