This Brother TN-540 Genuine Toner Cartridge is a top-quality product that is compatible with various Brother printers. The cartridge is designed for laser print technology and comes in a black color. It has a unit height of 5.10in. and is suitable for both home and office use.The cartridge is an original product and comes in a sealed bag. It is compatible with Brother DCP-8045D, Brother HL-5150DLT, Brother MFC-8640D, Brother HL-5140, Brother HL-5150D, Brother HL-5170DN, Brother HL-5170DNLT, Brother MFC-8840D, Brother DCP-8040, Brother MFC-8840DN, Brother MFC-8120, Brother MFC-8440, and Brother MFC-8220 printers. This product is perfect for those who want to achieve high-quality prints without worrying about compatibility issues.