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Routine Maintenance
h When you replace the drum unit with a new one, you need to reset the drum counter. To do this, press and hold down the Go for about 4 seconds until all the LEDs light up. Once all six LEDs are lit, release Go.
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Important
Do not reset the drum counter when you only replace the toner cartridge.
i j
Close the front cover of the machine.
Make sure that the Drum LED is now off.
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