Features: Minimal wear due to high quality ribbon material Metered ink flow for consistent, high quality output Precisely controlled ink viscosity for optimum coverage Precisely tooled ribbon shield minimises paper jams Up to 2 Million characters in draft print mode Compatible with MICROLINE 320 Flatbed, MICROLINE 390 FlatbedCompatible Printers: OKI Microline 390 FBD, OKI Microline 5320 S, OKI ML 5320 S, OKI ML 320 FB, OKI Microline 390 FB, OKI ML 390 FB