HP 761 400-ml Gray DesignJet Ink CartridgeChoose the inks that meet all your needs—from cost-effective monochrome drawings to impressive high-quality presentations. HP printing supplies and Original HP inks are designed and tested with the printer to provide crisp, clear, accurate quality. Consistent results and low-maintenance, trouble-free operation help you maintain high productivity and reduce costs.– With Original HP inks, you get a unique combination of quality, resilience, and versatility. See consistently crisp, clear, accurate lines and vivid color—even true neutral grays—in fast-drying, smudge-resistant prints.– Avoid the trial and error that costs you time with the trouble-free printing of Original HP supplies. Original HP inks are designed and tested with the printer to provide consistent results. You get crisp, clear, accurate quality with every print.– Original HP printing supplies are designed to provide low-maintenance printing. Alerts that let you know when ink cartridges need replacement and high-volume ink cartridges keep interruptions to a minimum.