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Routine Maintenance
105
6
f Put the drum unit and toner cartridge assembly back in the printer.
g Press and hold down the Go for about 4 seconds until all the LEDs light up. Once all four LEDs are lit,
release Go.
IMPORTANT
Do not reset the drum counter when you only replace the toner cartridge.
h Close the front cover.
i Make sure that the Drum LED is now off.