Compatible 3 Colour HP 645A Toner Cartridge Multipack (C9731A/C9732A/C9733A) is in stock and available for the low price of £359. The Compatible 3 Colour HP 645A Toner Cartridge Multipack is fully compatible with and guaranteed to work in the following HP laser printers: HP Colour LaserJet 5500 , HP Colour LaserJet 5500dn , HP Colour LaserJet 5500dtn , HP Colour LaserJet 5500hdn , HP Colour LaserJet 5500n , HP Colour LaserJet 5550 , HP Colour LaserJet 5550dn , HP Colour LaserJet 5550dtn , HP Colour LaserJet 5550hdn , HP Colour LaserJet 5550n it will give you a page yield of Approx. 12,000 pages per colour @ 5% average coverage. The Compatible 3 Colour HP 645A Toner Cartridge Multipack is a reliable, low cost Compatible product and a money saving alternative for the original HP 645A. Our own brand product will work in your laser printer in exactly the same way as an original HP 645A, 645A, C9731A, C9732A, C9733A.Compatible 3 Colour HP 645A Toner Cartridge Multipack (C9731A/C9732A/C9733A)