Okidata 620 690 Ribbons
Okidata Generic Microline ML620, ML690 non-OEM High capacity Ribbons with re-inker.
Oki, Okidata ML620, ML690 Generic compatible high capacity Black ribbons fit modern high speed impact printers. Ribbons are designed with a built in re-inker and are compatible to the OEM part number 44173403.