Zinetic can offer you huge savings on all of the toner for your OKI C712n printer. All of the toner cartridges, drum units and refill kits below are guaranteed to work in your OKI C712n printer. We offer remanufactured and original OKI C712n toner cartridges, toner refill kits and stick on reset chips so you can now decide what to use in your OKI C712n printer. If you wish to make the biggest savings look at refilling your OKI C712n toner cartridges and using our reset chips to extend the life or your consumables.