With the TN-426BK toner cartridge, you won't have to compromise on quality. The TN-426BK original replacement cartridge is designed for your printer and reliably delivers excellent print results. The high print quality of the TN-426BK is based on its perfect compatibility with the laser printer, ensuring a clean and high-quality print image. Another unique feature of Brother laser devices is that the original Brother toner cartridges are not permanently attached to the drum. This is because the wear parts of the drum have a longer lifespan than the powder in the toner cartridges. With the separate toner/drum system, the drum can continue to be used even after the cartridges are empty, allowing you to only replace the component that is actually empty or worn out. This helps you save on printing costs and protect the environment. By choosing an original TN-426BK toner cartridge, you ensure that your Brother device operates at its best.