Pro Print PRO2129. Page yield: 20000 pages, Printing colours: Black, Compatible products: HP laserjet 4250, 4250dtn, 4250dtnsl, 4250n, 4250tn, 4350, 4350dtn, 4350dtnsl, 4350n, 4350tn This is an auto-generated long summary based on the first three features of the first five feature groups.