NXT Premium compatible Q5942A (HP 42A) Black Toner Cartridge (12000 Yield)

NXT Premium 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.