The HP 27 Black Inkjet Print Cartridge is an optional 10 ml black inkjet print cartridge for laser-quality, fade-resistant text across a wide range of papers. This cartridge produces fine 17 pl drops that bring sharp detail to text. Easy to replace, the HP 27 Inkjet Print Cartridge is engineered with your HP printing system to provide special features such as on-screen ink-level indicators designed to save time and money.