HP 712 80-ml Black DesignJet Ink Cartridge

Prevent miscommunication—get outstanding patterns and line quality, with up to 31% more accurate lines.[1]See depth and dimension with up to 24% more line density.[2]Accurately produce challenging line patterns.[3]Get the ideal quality on plain paper for your CAD applications, from plans to schedules.
100-year plain-paper archivability[7] and ISO certified HP Permanent and Water-resistant Black Ink.[8]Meet last-minute deadlines with high-quality prints and reliable operation.Maximize the life of your printheads and help ensure HP warranty protection.Use up to 95% less ink for servicing and maintenance.[9]