Routine Maintenance
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6
Replacing the drum unit 6
While removing the drum unit, handle it carefully because it may contain toner.
Every time you replace the drum unit, clean the inside of the printer.See Cleaning on page 117.
When you replace the drum unit with a new one, you need to reset the drum counter by completing the
following steps:
a Press the front cover release button and then open the front cover.
b Take out the drum unit and toner cartridge assembly.
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