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Routine Maintenance
79
4
Replacing the drum unit 4
Before you replace the drum unit, see Before replacing the consumable items on page 67.
When you replace the drum unit with a new one, you need to reset the drum counter by completing the
following steps:
a Make sure that the machine is turned on and the Drum LED is flashing. Leave the machine for at least
10 minutes to cool down.
b Open the front cover.
c Take out the drum unit and toner cartridge assembly.
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