4 HY Toner Refill for OKI ES9000, ES9431, ES9541, Pro 9431, 9541, 9542 + 4 Chips | eBay
Oki Data Type C6 - Black - original - toner cartridge - for C5100n, 5150n, 5200n, 5300, 5300dn, 5300n, 5300nccs, 5400dn, 5400dtn, 5400n, 5400tn, (42804504) at TigerDirect.com