Our remanufactured 44844506 toner has been produced using key components from the original OKI cartridge. Whatever cannot be reused has been replaced with a high quality compatible component designed to work flawlessly with a variety of printers including the Oki C831. The recycled toner cartridge is then refilled with tailor made toner powder designed to fuse at the same temperature as that found in the genuine OKI 44844506 .Still not convinced? Fear not. All of our remanufactured OKI 44844506 cartridges come with a 100% satisfaction guarantee. All the prices you see here include VAT and delivery to UK mainland addresses.