53056201 QSP Works with Okidata Oki: 320/380 / 390 Ribbon Protector ML390/390+ ML391/391+ OKI-320/321 ML320 ML321 ML380 ML390 ML391 ML391plus by QSP - Team One
Amazon.com: Okidata BLACK RIBBON FOR ML184/186/120ML172/180/190/320/32 (Computer / Printer Ink & Toner) : Office Products