This HP C4127X compatible high capacity toner cartridge offers massive savings for the customer but also are very good for the environment. This compatible 27A toner cartridge produces ideal quality results without losing print quality from the original cartridge. Ideal for users with a high print yield the HP C4127X compatible toner cartridge prints 10,000 pages approx, With Free UK Delivery. LaserJet 4000,LaserJet 4000n,LaserJet 4000t,LaserJet 4000tn, LaserJet 4050,LaserJet 4050n,LaserJet 4050se, LaserJet 4050t,LaserJet 4050tn