Compatible GPR53 / GPR-53 drum unit set (8528B004AA), 4 units total: 1 Black, 1 Cyan, 1 Magenta, 1 Yellow.Toner cartridges are not included and must be purchased separately.Compatible with Canon imageRUNNER ADVANCE C3020, C3020i, C3320, C3320F, C3320L, C3330, C3330i, C3325, C3325i, C3520, C3520i, C3525, C3525i, C3530, C3530i, C3725, C3725i, C3730, C3730i, C3826, C3826i, C3830, C3830i, C3835, C3835i series printers.Approximate page yield: up to 100,000 pages per unit (at 5% coverage).