What drum does Brother MFC 7860dw use?
Daniel Rodriguez
Published Mar 19, 2026
What drum does Brother MFC 7860dw use?
This printer works with Brother TN-420 and TN-450 toner cartridges and the DR-420 drum unit. First, you will need to remove the old drum and replace it with the new one.
What happens if I don’t replace printer drum?
A degraded drum unit can cause streaks, smudges, and blank spots on your printed page even if you just inserted a new printer toner. While a broken drum unit won’t break your printer, it will just fail to stop printing at a certain point.
Why do I need to replace the drum in my Brother printer?
The Brother machine will display a ‘Replace Drum’ or ‘Drum Stop’ message when the machine has printed approximately 15,000 pages. The drums should be replaced as a set in order to maintain print quality. Unlike the toner cartridges, the drum change is not automatically detected by the machine when they are replaced.
How do I reset my Brother printer drum?
Reset the Drum Counter
- Close the front cover.
- Make sure the machine is turned on.
- Press. (Settings).
- Press All Settings. (This step might be skipped in some models.)
- Choose Machine Info. or Machine Information => Parts Life.
- Press and hold Drum or Drum Life until the machine’s display message changes.
- Press Yes.
- Press.
What toner goes with DR 420?
Brother Genuine Drum Unit. For use with: DCP-7060D, DCP-7065DN, IntelliFax-2840, IntelliFAX-2940, HL-2220, HL-2230, HL-2240, HL-2240D, HL-2270DW, HL-2275DW, HL-2280DW, MFC-7240, MFC-7360N, MFC-7365DN, MFC-7460DN, MFC-7860DW.
What is the difference between toner and drum?
The toner cartridge is the container that holds the toner powder. The drum unit is an electrically charged cylinder that fuses that toner powder onto paper to create text and images. Both of these components are essential for producing a print.
How long do printer drums last?
Over time, the drum unit deteriorates and eventually needs to be replaced. Drum units typically last for 10,000 to 50,000 printed pages, depending on the quality of the printer and unit. Your printer will exhibit warning signs of the drum unit’s deterioration so you can replace it before it stops working.
How do you extend the life of a printer drum?
You can extend the drum life and keep it clean by occasionally cleaning the corona wire. You can simply do this by sliding the little plastic piece attached to the corona wire back and forth a couple of times. After you replace your drum, don’t forget to reset it.
How long should a drum last on a Brother printer?
The yield of a drum unit is approx. 15,000 pages (1 page/job). There are many factors that determine the actual drum life, such as the temperature, humidity, type of paper, type of toner used and so on. Under ideal conditions, the average drum life is estimated at approximately 15,000 pages.
What is the drum unit on a Brother printer?
A drum unit is a green metal cylinder or tube that carries a static electrical charge that attracts the toner powder from the toner cartridge and applies it to the paper as it passes through the printer. Therefore, you will always find that drum unit is located very close to or even attached to the toner cartridge.
What is Brother drum unit?
What is the drum unit? The drum unit transfers the toner to the paper. To keep good print quality, the Brother machine detects the quality deterioration of the drum unit automatically. If the Brother machine displays “Replace drum” error message, you need to replace the drum unit.