Genuine HP 42A (Q5942A) Black Original LaserJet Toner Cartridge, OEM
The advanced toner formula provides precise, clear results, so printed words and graphics pop on the page. Compatible with: LaserJet 4240n, 4250, 4250dtn, 4250dtnsl, 4250n, 4250tn, 4350, 4350dtn, 4350dtnsl, 4350n, 4350tn.