Brother MFC-8535DN - Replace the Drum Unit

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Replace the Drum Unit
1. Make sure the machine is turned on.
2. Open the front cover.
3. Remove the toner cartridge and drum unit assembly from the machine.
4. Push down the green lock lever and take the toner cartridge out of the drum unit.
5. Unpack the new drum unit.
6. Put the toner cartridge firmly into the new drum unit until you hear it lock into place.
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