Speedy Inks Compatible Toner Cartridge Replacement for Canon GPR22 0386B003AA (Black, 3-Pack) For use in Canon: Laser ImageRunner 1023, Laser ImageRunner 1023IF, Laser ImageRunner 1023N, Laser ImageRunner 1025, Laser ImageRunner 1025IF, Laser ImageRunner 1025N Page Yield: 8,400 Color: Black | 3 Pack Shelf Life: 24-36 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty