HP 42A Black Original LaserJet Toner Cartridge brings professional quality Black printing to the everyday user. This printer cartridge is alternatively known as HP Q5942A toner and features HP’s Black sphere Toner Technology for enhanced image accuracy and consistency. It’s producing fast, accurate images to your documents and images. A standard toner cartridge prints 1,300 pages approx. These cartridges are easy to use, secure, and designed with sustainability in mind. It is allowing users to return their used cartridges for responsible disposal Candidate praise reliability.