FAQs & Troubleshooting
Follow the procedure below to replace the drum unit.
For the order number (Order No.) of the drum unit, click here to see the Consumables & Options page.
Make sure that the machine is turned on.
Open the top cover until it locks in the open position.
Push down the green lock lever and take the toner cartridge out of the drum unit.
Unpack the new drum unit.
Put the toner cartridge firmly into the new drum unit until you hear it lock into place. If you install the cartridge correctly, the green lock lever on the drum unit will lift automatically.
Be sure to return the tab to the home position () (1). 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.
Repeat Step 3 and Step 7 to clean each of three remaining corona wires.
Close the top cover of the machine.
When you replace a drum unit with a new one, you must reset the drum counter by completing the following steps:
Press the Up arrow key while holding down Go on the machine's control panel.
Press the Up or Down arrow key to display Drum Unit. Press OK.
Press the Up or Down arrow key to display the color of the drum unit that you replaced. Press OK.
Press the Up arrow key for Reset to reset the drum counter.