This Compatible Okidata 520 / 521 / 590 / 591 HiYield printer ribbon fits:
- Anzac Computer Equipment 2330, Anzac Computer Equipment 2331
- Okidata OKI Microline ML 520, Okidata OKI Microline ML 521, Okidata OKI Microline ML 590, Okidata OKI Microline ML 591
- Unisys AP 1357, Unisys AP 1359
And many others.
