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### Replace the Toner Cartridge

1. Make sure the machine is turned on.
2. Open the front cover.
3. Remove the toner cartridge and drum unit assembly from the machine.
4. Push down the green lock lever and take the toner cartridge out of the drum unit.
5. Unpack the new toner cartridge.
6. Remove the protective cover.
7. Put the new toner cartridge firmly into the drum unit until you hear it lock into place.
   Make sure you put the toner cartridge in correctly or it may separate from the drum unit.
8. Clean the corona wire inside the drum unit by gently sliding the green tab from left to right and right to left several times.
   Be sure to return the tab to the Home position (). The arrow on the tab must be aligned with the arrow on the drum unit. If it is not, printed pages may have a vertical stripe.
9. Install the toner cartridge and drum unit assembly back into the machine.
10. Close the front cover of the machine.

    Do not turn off the machine or open the front cover until the machine returns to Ready Mode.

Related Information
  - Replace Supplies

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