To replace the Toner Cartridge follow the instructions listed below:

The Brother machine has separate consumables the toner cartridge and the drum unit. Verify you replace only the Toner Cartridge and not the drum unit. If you want to know their difference, refer to "What is the difference between the toner cartridge and the drum unit?"

1. Open the front cover. Make sure the front cover is completely open and gently lift the drum forward toward you.
   Place the drum unit on a drop cloth or large piece of disposable paper to avoid spilling and scattering the toner.
   
   

   
2. Gently turn the lever on the toner cartridge forward unit it stops. The toner cartridge cannot be removed unless the shutter is closed, by turning the lever completery to the front.
3. Romove the old toner cartridge from the drum unit by gently pulling it out.
   
   
   

   Handle the toner cartridge carefully. If toner scatters on your hands or clothes, immediately wipe it off or wash it with cold water.
4. Unpack the new toner cartridge. Place the used toner cartridge into the aluminum bag and discard it according to local regulations.

   Wait to unpack the toner cartridge until immediately before you install it into the machine. If a toner cartridge is left unpacked for a long period of time, the toner life is shortened.
   You can use only a genuine Brother toner cartridge, which is specially formulated to ensure top print quality. Using another brand of toner cartridge may void your machine's warranty.
5. Gently rock the toner cartridge from side to side five or six times and then remove the protective sael.
   
   
   
6. Install the new toner cartridge in the drum unit it clicks into place.
   
   
   
7. Clean the primary corona wire inside the drum unit by gently sliding the blue tab from right to left several times. Return the blue tab to the home position before reinstalling the drum unit assembly.
   
   
   
8. Reinstall the drum unit and close the top cover.