This is a brand - new Brother HL - 2040 black toner with a 2.5k yield. Ideal for your printing needs, it offers high - quality prints every time.

Using this Brother HL - 2040 black toner is easy. Just open your printer, locate the toner compartment, and insert the toner cartridge. Make sure it's properly seated. When it comes to maintenance, keep the toner in a cool and dry place. Avoid exposing it to direct sunlight. Also, don't shake the cartridge too much as it can affect the print quality. If you notice any print quality issues, check if the toner is running low or if there are any clogs in the printer.