Compatible High Capacity Black HP 504X Toner Cartridge Twin Pack - (Replaces 2 x HP CE250X) is in stock and available for the low price of £104. The Compatible High Capacity Black HP 504X Toner Cartridge Twin Pack is fully compatible with and guaranteed to work in the following HP laser printers: HP Colour LaserJet CM3530 , HP Colour LaserJet CM3530fs , HP Colour LaserJet CP3520 , HP Colour LaserJet CP3525 , HP Colour LaserJet CP3525dn , HP Colour LaserJet CP3525n , HP Colour LaserJet CP3525x it will give you a page yield of Approx. 10,500 pages per cartridge @ 5% average coverage. The Compatible High Capacity Black HP 504X Toner Cartridge Twin Pack is a reliable, low cost Compatible product and a money saving alternative for the original HP 504X. Our own brand product will work in your laser printer in exactly the same way as an original CE250XD, HP CE250XD, HP 504X, 504X, CE250X.Compatible High Capacity Black HP 504X Toner Cartridge Twin Pack - (Replaces 2 x HP CE250X)