HP Q5942A (HP 42A) Black Toner Cartridge is designed to perform in the HP LaserJet 4200, 4240n, 4250, 4250dtn, 4250Dtnsl, 4250n, 4250tn, 4350dtn, 4350Dtnsl, 4350n, 4350tn
Compatible Q5942A (HP 42A) Black Toner Cartridge fully compatible with the HP LaserJet 4200, 4240n, 4250, 4250dtn, 4250Dtnsl, 4250n, 4250tn, 4350dtn, 4350Dtnsl, 4350n, 4350tn. The use of compatible supplies does not void your printer warranty.