Question about Brother MFC-8840D All-In-One Laser Printer

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Brother MFC-8840C How do you change out the drum in the MFC-8840C?

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Re: Brother MFC-8840C

Centre of machine is not one door but two, the first is the maual bypass tray but you can open the whole front. Then you are where you can put toner and drum in/out. Once front is open just pull entire black insides of printer slightly up and towards you, whole unit now removed is drum and toner, unclick ((blue tabs) toner from drum unit it to new drum, reinsert it, before you close the door, turn on the machine and Clear, 1. Now close the door.

LInk if paste fails

How do I replace the drum unit?
Description: Follow the procedure below to replace drum unit.


    Do NOT use flammable substances or any type of spray to clean the inside or outside of the machine. Doing this may cause a fire or electrical shock.
spray1.gif Caution
    Just after you have used the MFC, some internal parts of the MFC are extremely HOT! So please be careful.
  1. Press the cover release button and then open the front cover.
  2. Remove the old drum unit and toner cartridge assembly. Place it on a drop cloth or disposable paper to avoid scattering toner.
    zl2mfc_037.gif Caution
      To prevent damage to the printer from static electricity, do not touch the electrodes shown below.
  3. Hold down the lock lever on the right and pull the toner cartridge out of the drum unit
    zl2mfc_03964.gif Note
      Discard the used drum unit according to local regulations, keeping it separate from domestic waste. Be sure to seal the drum unit tightly so toner powder does not spill out of the unit. If you have questions, call your local waste disposal office.
  4. Wait to unpack the new drum unit until immediately before installing it. Place the old drum unit into the plastic bag and discard it according to local regulations.
  5. Reinstall the toner cartridge into the new drum unit
      To avoid print quality problems, DO NOT touch the shaded part shown in the illustration.
      If you accidentaly touch the shaded part, wipe the surface with a dry lint-free soft cloth.
  6. Reinstall the new drum unit, keeping the front cover open.
  7. Press Clear/Back.
  8. Press 1 and when the LCD shows Accepted, and close the front cover

Posted on Dec 21, 2007

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Press 1 to reset the drum count.

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Reset drum - brother mfc-8860dn

Open front cover

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Put drum unit and toner cartridge assembly back in machine, but do no close front cover.

Press Clear/Back
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Select Yes to confirm

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