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How to replace the Drum Unit of Brother MFC-8600 Multifunction Printer

  1. Open the front printer cover, and then take the exhausted drum unit out of the machine by grabbing its front side and pulling straight towards you.
  2. Grab the toner cartridge and gently pull it towards you while pressing the lock lever on the right side of the drum unit, in order to separate the still usable toner cartridge from the exhausted drum unit, and then unpack the new drum unit. Please note that you must avoid touching the sensitive surface of the photoconductive drum (on the top side of the new drum unit) and the contact area of the toner cartridge.
  3. Insert the toner cartridge into the new drum unit until you hear a click, and then insert the assembled components (toner cartridge+new drum unit) into the printer.
  4. Reset the drum counter by pressing the [Clear] button until the following message ''Replace Drum? 1.Yes 2.No'' appears on the LCD, and then press the [1] button.
  5. Once the following message ''ACCEPTED'' appears on the LCD, you must close the front cover and test your Brother MFC-8600 Multifunction Printer.