The Brother TN-340BK is an original, genuine black toner cartridge designed to deliver sharp, clear, and professional monochrome prints for your Brother color laser printers and multifunction devices. Engineered specifically for models such as HL-4150CDN, HL-4570CDW, DCP-9055CDN, MFC-9460CDN, and MFC-9970CDW, this toner cartridge ensures reliable compatibility and optimal print quality.

With a standard yield of approximately 2,500 pages (measured to ISO/IEC 19798 standards), the TN-340BK cartridge offers excellent value and print consistency for everyday printing needs. Its design aligns perfectly with Brother's technology, guaranteeing consistent toner distribution and crisp black text and images.

Key advantages include:

• Authentic Brother consumable ensuring the best quality and reliability


• Easy installation and replacement for hassle-free upkeep


• Supports professional, smudge-free, and fade-resistant prints


• Backed by Brother’s support and recycling programs, promoting sustainability