Features - Designed for HP Designjet 5500, 5500ps, 5000 and 5000ps printers. - Advanced large-format printhead technology, ink cartridge technology and proprietary ink formulations ensure consistent print quality. - HP-engineered to work as a modular ink system with HP 81 Dye Ink Cartridges. - Extra-wide HP 81 UV Printhead features HP Jetexpress technology for unrivaled print speeds Overview - Get fast, no-compromise inkjet printing with HP 81 Dye Printheads and HPs Jetexpress technology. Printing specifications - Cartridge colors : Black - Ink types : Dye-based - Page yield footnote : D-size prints if all ink colors are used equally. Warranty Until the Warranty Ends date has been reached or the warranted usage limit has been reached, whichever occurs first. Footnotes: [1] Near-continuous tones achieved at 600-dpi resolution. [2] Warranty applies to 1000-ml ink or end-of-warranty date, whichever comes first. [3] Using genuine HP supplies ensures availability of all HP printing features. [4] Program availability varies by region and printer. Environmental specifications : Storage temperature -40 to 140 F Unit Measurement : 33.6 x 108 x 250 mm UOM : UNIT