This is a brand - new Brother drum unit set for the HL - 3040Cn model. It offers a high yield of 15,000 pages, ensuring long - term use and excellent printing performance.
To use this drum unit set, first, turn off your Brother HL - 3040Cn printer. Open the printer's drum access door and carefully remove the old drum unit. Then, take out the new DR210CL drum unit from its packaging. Remove any protective covers or tapes on the drum unit. Place the new drum unit into the printer until it clicks into place. Close the drum access door. When it comes to maintenance, keep the drum unit in a cool and dry place. Avoid exposing it to direct sunlight. If you notice any printing issues like streaks or fading, check the drum unit for any visible damage. If it's damaged, it might be time to replace it. Also, remember to handle the drum unit gently to avoid any internal damage.
