Genuine OKI ink ribbon cartridges, like the 44173405, provide you with the crispest characters when using the ML5720eco or any other compatible printer. Produced by the manufacturer, to the exact specifications of your machine, nothing is more reliable than using the OKI 44173405 ink ribbon.Estimated to offer users of these well-established machines 8,000,000 printed characters, the OKI 44173405 ribbon cartridge rarely needs replacing. Every original OKI 44173405 ink ribbon cartridge benefits from free shipping within the UK and comes fully guaranteed.