The HP 159X Black is an Original HP LaserJet toner cartridge in high-yield capacity for HP LaserJet Enterprise 5501 and 5502, HP LaserJet Enterprise MFP 5601 and 5602 and their Flow versions. It is rated for about 10,000 pages, so busy offices change cartridges less often and pay less per printed page. It uses HP TerraJet toner, which HP designed for efficient, lower-energy printing and cartridges with recycled plastic. Original HP toner is matched to the printer, giving sharp black text and consistent output at the speeds the printer was built for, and HP's anti-fraud and authentication features help confirm you are getting a genuine cartridge. In the box you get one toner cartridge ready to install. It is a dependable choice for offices that print reports, invoices and documents every day. After comparing online prices, www.marvel.co.za should be the cheapest on this product.