Fast, reliable, unattended printing on media up to 91 metres long. True 600 x 600 dpi resolution for precision line drawings, renderings, maps and graphics. 350 ml black pigmented ink cartridges and 350 ml dye-based colour ink cartridges for high-volume, unattended printing. With new, built-in smart chips, HP No. 80 printheads and ink cartridges automatically work with the printer to provide precise black and colour lines and high-quality colour renderings, maps and graphics every time. Help you avoid running out of ink unexpectedly by monitoring approximate ink levels. JetExpress technology delivers a revolutionary one-inch-wide (2.54 cm) printhead with 512 nozzles to produce the fastest, most precise printing of any HP Designjet printer. Prints almost a 2.5 cm swath with each pass, resulting in two to three times faster printing speed over typical 1.25 cm or smaller integrated print cartridges. HP No. 80 printheads with JetExpress technology raise the bar for fast, unattended inkjet printing for technical applications. JetExpress technology helps the printer achieve unmatched speeds.