Compatible with a range of HP laser jet pro printers the CE278A has been engineered to deliver superior quality prints with clear crisp results. The CE278A has been designed with innovative technology to optimise print quality from the first to the very last print. Due to it being an all in one toner and drum unit it makes the original HP 78A black laser toner cartridge convenient and simplifies the printer maintenance making it ideal for a business environment. This special pack produced by HP provides 2 CE278A cartridges into a CE278AD multipack, producing a significant saving on ordering the cartridges individually.With specially formulated toner to ensure bold, sharp text and finely detailed graphics the CE278AD is value for money from a brand you can trust.