HP 307A (CE740A) Black Original LaserJet Toner CartridgeExperience crisp, clear printing results by using this toner cartridge. Compatible with select HP machines, this toner cartridge produces high quality prints and is simple to install, while the black toner offers bold, sharp printing of text and other graphics that contrast against white paper. This HP 307A toner cartridge features a yield of up to 7,000 pages, making it easy to manage day to day printing tasks.