?Product Information Product Name : hp 72 Compatible Ink product Include : 1 X 72 Matte Black ( C9403A), 1 X 72 Photo Black ( C9370A), 1 X 72 Cyan (C9371A), 1 X 72 Magenta (C9372A), 1 X 72 Yellow (C9373A), 1X 72 Gray (C9374A) Page Yield : Black is 5775 pages per cartridge and Color is 5775 Pages per cartridge (5% coverage) ?PRODUCT FEATURES: Good tightness: The ink cartridge is ultrasonically welded to ensure that the cartridge casing is sealed and ink leakage and color mixing do not occur. Strong compatibility: 100% compatible with the original ink, ensuring that the ink dots are always smooth, even and clear. Naturally bright colors: High-quality ink, ink particles less than 20 nanometers, smooth printing, restore true color. High capacity: The ink is filled in a large amount, the utilization rate is high, the ink capacity is sufficient, and the ink is smooth. ?Printer compatibility: DesignJet T1100, T1100ps, T1120, T1120 SD-MFP, T1120ps, T1200, T1200ps, T2300, T2300 PostScript, T610, T620, T770, and T790 Printers ?Tips: 1.Please confirm your Printer Model before placing an order. 2.To improve the printing quality, it’s better to clean the printhead before printing with a new cartridge. 3.When install the new cartridges into printer,the computer would promote "Non-Original", please click "Yes" ,then the printer can go on to print. 4.If there is any leakage of ink cartridges, please contact the seller in time for a full refund. ? You're welcome to contact seller firstly if any problems happen. We will respond to your question within 24 hours.?