These HP Q2612a compatible laser toner cartridges can be used with the HP LaserJet 1010, HP LaserJet 1012, LaserJet 1018, HP LaserJet 1020, HP LaserJet 1022, HP LaserJet 1022N, HP LaserJet 1022NW, HP LaserJet 1015, HP LaserJet 1018, HP LaserJet 3015, HP LaserJet 3020, HP LaserJet 3030, HP LaserJet 3050, HP LaserJet 3052, and HP LaserJet 3055 printer. This toner cartridge has a ISO certified page yield of 2400 pages at 5% coverage (compared to the 2000 pages that the OEM cartridges gives)