Compatible Black HP 42A Laser Toner - (HP Q5942A) is in stock and available for the low price of £53. The Compatible Black HP 42A Laser Toner is fully compatible with and guaranteed to work in the following HP laser printers: HP LaserJet 4240 , HP LaserJet 4240n , HP LaserJet 4250 , HP LaserJet 4250dtn , HP LaserJet 4250dtnsl , HP LaserJet 4250n , HP LaserJet 4250tn , HP LaserJet 4350 , HP LaserJet 4350dtn , HP LaserJet 4350dtnsl , HP LaserJet 4350n , HP LaserJet 4350tn it will give you a page yield of Approx. 10,000 pages @ 5% average coverage. The Compatible Black HP 42A Laser Toner is a reliable, low cost Compatible product and a money saving alternative for the original HP 42A. Our own brand product will work in your laser printer in exactly the same way as an original IRTH_Q5942A.Compatible Black HP 42A Laser Toner - (HP Q5942A)