Premium Q3964A (HP 122A) Black Drum Cartridge fully compatible with the HP LaserJet 2550, 2820, 2840. The use of compatible supplies does not void your printer warranty.
Premium 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.
Premium Q5942X (HP 42X) Black Toner Cartridge fully 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. The use of compatible supplies does not void your printer warranty.
Premium Q5949A (HP 49A) Black Toner Cartridge fully compatible with the HP LaserJet 1160, 1320, 1320n, 1320nw, 1320tn, 3390, 3392. The use of compatible supplies does not void your printer warranty.
Premium Q5949X (HP 49X) Black Toner Cartridge fully compatible with the HP LaserJet 1320, 1320n, 1320nw, 1320tn, 3390, 3392. The use of compatible supplies does not void your printer warranty.
Premium Q5950A (HP 643A) Black Toner Cartridge fully compatible with the HP Color LaserJet 4700, 4700dn, 4700dtn, 4700n. The use of compatible supplies does not void your printer warranty.