Your colour prints are drifting grey and the cyan channel is running dry. That's not a settings issue — it's the cartridge calling it. This genuine OKI cyan toner for your C831N puts that blue-green back where it belongs. Swap it in, print, move on with your day
| brand | OKI |
| colour | Cyan |
| type | Toner Cartridge |
| compatible_model | OKI C831N |
| category | Printing > Ink Toner & Ribbons |
