Troubleshooting
g Put the toner cartridge back into the drum unit until you hear it lock into place. If you put the cartridge in properly, the blue lock lever will lift automatically.
h Open the front cover. Put the drum unit and toner cartridge assembly back in the printer.
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i Put the paper tray firmly back in the printer. j Close the front cover.
k Make sure that the Paper LED is off and then, the Status LED lights green.
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