Pages coming through with ghosting, faint patches, or toner that's not landing where it should? The transfer unit is the belt that pulls the full colour image off the drums and onto your paper. When it degrades, every colour suffers — not just one. This is the genuine OKI transfer unit for the C831N. Swap it in and all four channels start hitting properly again
| brand | OKI |
| compatible_model | OKI C831N |
| part_type | Transfer Unit |
| sku | O831TR |
| category | Printing – Consumables & Parts |