Black text starting to fade or show faint banding? That's the drum wearing out on your OKI MC770. This is the dedicated black drum unit that restores crisp, even black output. Swap it in, and your prints look sharp again. No guesswork — it's the part your MC770 needs when the black channel goes soft
| brand | OKI |
| model_compatibility | OKI MC770 |
| product_type | Drum Unit (Black) |
| part_number | O770BD |
| category | Printing |
| subcategory | Ink Toner & Ribbons |
