RT Q2612A 12A Modified MICR Toner Cartridge for Check Printing on Laserjet 1010 1012 1018 1020 1022 3015 3020 3030 3050 3052 3055 M1319 Series Printers Renewable Toner 12A Q2612A Modified MICR Toner Cartridge with Lifetime Warranty. We always honor our warranty, even if the Amazon return window has closed OEM part # HP Q2612A/ 12A Yield: 2k pages; prints 6k checks @ 3 per page Compatible Printers: HP LaserJet 1010, 1012, 1018, 1020, 1022, 1022n, 1022nw, 3015, 3020, 3030, 3050, 3052, 3055, M1319, M1319f RT is the manufacturer of this MICR toner cartridge. The listing of any RT product is not intended to imply any endorsement or direct affiliation with the OEM trademark owner.