MICR Toner Cartridges

G&G Penguin Premium Equivalent Q5942X (HP 42X) MICR Toner Cartridge compatible with the HP LaserJet 4200, 4250,?4250dtn,?4250Dtnsl,?4250n,?4250tn,?4300 Series, 4350dtn,?4350Dtnsl,?4350n,?4350tn, 4345 MFP, 4345x, 4345xm, 4345xs, M4345 MFP, M4345x MFP,?M4345xm MFP,?M4345xs MFP.