| Features | |
| Type: | Compatible |
| Printing colours: | Black |
| Brand compatibility: | Brother |
| Quantity per pack: | 1 pc(s) |
| Built-in drum unit: |  |
| Black toner cartridges quantity: | 1 |
| Cartridge capacity: | Standard Yield |
| Black toner page yield: | 3000 pages |
| OEM code: | TN-421BK |
| Weight & dimensions | |
| Package type: | Box |
| Other features | |
| Print technology: | Laser printing |
