This is a brand - new Brother black toner with a high yield of 3K, designed for the HL - 5450DN printer. It offers sharp and clear prints, ensuring excellent performance for your printing needs.

Using this Brother black toner is easy. First, make sure your printer is turned off. Open the toner compartment of your HL - 5450DN printer. Take out the old toner carefully and insert the new one, making sure it's properly seated. Then close the compartment and turn on the printer. As for maintenance, keep the toner in a cool and dry place when not in use. Avoid exposing it to direct sunlight or extreme temperatures. If you notice any printing issues like streaks or faded prints, check if the toner is running low or needs to be reinstalled properly.