Original HP ink cartridge is formulated to consistently produce professional-quality documents. Count on a better value for frequent printing with this high-yield cartridge. It is specially designed to work with your HP Officejet 6230, 6812, 6815, 6820, 6825, 6830 and 6835. HP proprietary inks prevent corrosion and clogging of the printhead - ensuring the best prints. Ink generates durable prints that resist water and last for decades. Highlight pages right away without worrying about smears. High-capacity cartridge yields approximately 825 pages.