Brother MFC-8420 User Manual page 402

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1
Open the front cover and pull out the drum unit.
Caution
Place the drum unit on a drop cloth or large piece of disposable
paper to avoid spilling and scattering the toner.
To prevent damage to the MFC from static electricity, do not
touch the electrodes shown below.
TROUBLESHOOTING AND ROUTINE MAINTENANCE 22 - 28

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Mfc-8820d

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