How to refill Toner cartridge for Lexmark C3224dw, C3326dw, MC3224, MC3326adweRefill Toner cartridgePart No. C3210K0 (C320010) BlackPart No. C3210C0 (C320020) CyanPart No. C3210M0 (C320030) MagentaPart No. C3210Y0 (C320040) Yellow