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Routine maintenance
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5
Replacing the drum unit
Note
We recommend that you clean the printer when you replace the drum unit. See Cleaning on page 5-11.
Follow these steps to replace the drum unit.
1 Make sure that the printer is turned on and the Drum LED
is blinking. Open the front cover of the printer.
2 Press and hold down the Go button for about 4 seconds
until all the LEDs light up. Once all four LEDs are lit,
release the Go button.
3 Pull out the drum unit and toner cartridge assembly.
IMPROPER SETUP
Do not reset the drum counter when you replace only the
toner cartridge.