MICR Q5942A (HP 42A) Compatible HP Black Toner Cartridge
Premium Compatible MICR 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.
Manufacturer part number:
Q5942A, HP 42A