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Routine Maintenance
121
4
Replacing the drum units 4
IMPORTANT
• While removing the drum unit, handle it carefully because it may contain toner. If toner scatters on your
hands or clothes, immediately wipe or wash it off with cold water.
• Every time you replace the drum unit, clean the inside of the machine (see Cleaning and Checking the
machine on page 140).
When you replace a drum unit with a new one, you must reset the drum counter by completing the following
steps:
a Make sure that the machine is turned on.
b Open the top cover until it locks in the open position.
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