HP 940XL black Officejet Ink Cartridges produce laser-quality black text, using HP Officejet inks. Print professional, plain paper documents, using pigment inks designed for the office. By being fade resistant, smudge and waterproof they produce a quality print. HP Officejet inks dry faster on papers with the ColorLok logo. The HP 940XL Black Ink is suitable for use with HP OfficeJet Pro 8500, 8000.