Get this brand - new Brother HL - 2140 black toner. It offers a 1.5k yield, perfect for your printing needs.

Using this Brother HL - 2140 black toner is easy. First, turn off your printer and open the toner compartment. Then, take out the old toner and replace it with this new one. Make sure it's properly installed. When using, keep the printer in a dry and cool place. Don't expose it to direct sunlight. For maintenance, clean the printer's interior regularly to avoid dust build - up. If you notice any printing issues, like smudges or light prints, check if the toner is running low. Replace it in time to ensure high - quality prints.