HP 40 Black Original Ink Cartridge (51640A) DISCONTINUED BY MANUFACTURER Color: Black Original HP Cartridge Yield (approx.): ~1100 pages. The HP 40 Black Ink Cartridge is ideal for business or home users who want professional-quality copies and printouts. It uses pigmented ink to produce crisp, sharp characters on most bond/copier papers Get up to twice as many pages vs. with refills. Based on a Buyers Laboratory Inc. 2014 study commissioned by HP for the on-average performance of cartridges refilled and remanufactured compared to Original HP ink cartridges What's in the Box: New Original HP (genuine) ink cartridge HP Printer compatibility: HP DesignJet 455, 650, 250, 230, 350, 330, 340, 430, 450. HP DeskJet 1200. HP CopyJet /Copier C3817, C3819.