HP 81 dye ink cartridges achieve superb color-rich images on a wide variety of large format media. Patented dye-based inks are designed together with HP Designjet printers to ensure unpromising print quality performance and reliability. HP 81 dye ink cartridge technology achieves smooth color transitions. Ink formulations support instant dry time** to increase productivity and facilitate immediate lamination. A modular ink delivery system enables individual replacement of 680 ml ink cartridges. Smart printing system technology*** provides alerts when ink is low and facilitates on-line ordering****. Simple installation and reliable operation further enhance productivity and cost-effectiveness. New 3-Ink Multipacks offer significant savings and convenience in addition to value pack bundles of ink cartridge printhead and printhead cleaner. The results are clear to see - color-rich large format images.Primary InformationProduct Type : Print cartridge Printer Technology : Thermal inkjet Output Color : Black Capacity : 680 ML Compatibility : HP Designjet 5000 5000ps 5500 and 5500ps printers Yield : 1000 Pages at 5% Coverage Header / Model : 81 Service & Support Type : Until the genuine HP ink is depleted as indicated by the printer or the end of warranty date is reached whichever occurs first Features : Ink types: Dye-based Special FeatureCOO : United States Singapore TAA : Yes UNSPSC CodeUNSPSC Code : 44103105