Buy your Compatible Cyan HP 645A Laser Toner - (HP C9731A) for the low price of £121 . The Compatible Cyan HP 645A Laser Toner will work in the following 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 @ 5% average coverage. The Compatible Cyan HP 645A Laser Toner offers you good value and excellent printing performance.Compatible Cyan HP 645A Laser Toner - (HP C9731A)