On the printer console:

• general setup
• replace toner
• ok
• when it says 'continue' hit ok again
• printer should read 'accepted' and you should be able to print. 

If that doesn't work:

If your machine continues to display "Replace Drum" after installing a new drum, the drum counter may not have reset properly. Whenever you replace the drum unit, the drum counter needs to be reset. 

Follow the steps below:

1. Make sure the machine is turned on.

2. Open the front cover.

3. Remove the drum and toner assembly from the machine.

4. Reset the drum counter:

a. Press  on the Touchpanel.

b. Press (Settings) on the Touchscreen.

c. Press All Settings.

d. Press Machine Info.

e. Press Parts Life.

f. Press and hold # (pound) on the Touchpanel until the message on the machine's display changes.

The # (pound) key is located to the right of 0 on the Touchpanel's dial pad. The dial pad will not be lit up while you're pressing # (pound).

g. Press Drum on the Touchscreen.

h. Press Yes.

i. Press (Home) on the Touchpanel.

5. Reinstall the drum and toner assembly into the machine.

6. Close the front cover.

7. Does "Replace Drum" still appear on the machine's display?

• if no, the issue has been resolved
• if yes, follow these steps:
  • keep machine powered on
  • close the front cover
  • Access Reset Menu: press the OK and UP Arrow keys at the same time
  • Select Drum: the screen will display "Drum", press OK
  • Reset Counter: Press the UP Arrow key to select 'Reset', and the screen should display 'accepted'
• If the issue still persists, follow the steps in this video. The buttons on your machine are configured differently, but the ones you need are there.