This is a brand - new Brother high - yield black toner for the HL - 5240 printer. It offers a high yield of 7000 pages, ensuring long - term use and great value for money.

Using this Brother toner is easy. First, make sure your printer is turned off. Open the toner cartridge compartment of your HL - 5240 printer. Take out the old toner cartridge and remove the new one from its packaging. Shake the new cartridge gently a few times to distribute the toner evenly. Then, insert it into the compartment until it clicks into place. Close the compartment and turn on your printer. As for maintenance, keep the toner cartridge in a cool, dry place when not in use. Avoid exposing it to direct sunlight or extreme temperatures. If you notice any print quality issues, try cleaning the printer's print head according to the printer's user manual.