The Brother Black High Yield Toner Cartridge is a core component designed for the most demanding business workflows. Specifically formulated for Brother’s high-performance digital color laser technology, this cartridge delivers crisp, laser-sharp black text that remains professional from the first page to the last. With a robust page yield of approximately 5,000 pages (at 5% coverage), it is built to keep your HL-4040CN or MFC-9840CDW running longer with fewer interruptions, significantly reducing your total cost of ownership.
Commonly identified as the TN-115BK or TN-155BK (depending on your region), this high-capacity cartridge is precision-matched to work in perfect harmony with your printer’s internal mechanisms. By using genuine Brother toner, you protect the high-voltage components and the delicate surface of your drum unit, ensuring that your machine operates at peak efficiency. The high-density pigment formula is smudge-resistant and optimized for fast printing, making it ideal for everything from quick internal memos to large-scale professional reports.
The installation process is straightforward and mess-free, featuring a user-friendly design that snaps into place in seconds. Whether you are managing complex document tasks on the MFC-9450CDN or printing heavy volumes on the HL-4050CDN, the provides the industrial-grade consistency and deep-black clarity that professional organizations rely on.
⚙️ Technical Specifications
| Feature | Details |
| Color | Black |
| Page Yield | Approx. 5,000 Pages (at 5% coverage) |
| Yield Type | High Yield |
| Model Number Reference | TN-115BK / TN-155BK (Series) |
| Technology | Color Laser / LED |
| Print Quality | Sharp, Professional Monochrome |
| Maintenance | User-Replaceable Cartridge |
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