Genuine Canon 0257B001 (0257B001AA) Drum Unit Cyan GPR-20/21 - Free Shipping - Other part numbers GPR-20/21 GPR-20 GPR-21 025B001AA - Fits these models Canon imageRUNNER C4080 C4080i C4580 C4580i C5180 C5180i C5185 C5185i