Dell 3010cn - Color Laser Printer Manual page 119

3. Press until the desired toner to replace appears, and press
NOTE: Each time you replace a black cartridge, you should use the cleaning rod. See
Replacing the Used Toner Cartridge
NOTE: Remove any print jobs from the center output tray and close the multipurpose feeder cover before opening the front door.
1. Grab the notch in the front door and pull forward.
The toner cartridge that must be replaced has moved to the front of the printer.
2. Push up the handhold on the right to unlock the cartridge.
3. Hold the toner cartridge and pull out the cartridge.
CAUTION: Do not touch inside the printer with your hands. Some parts may be hot.
4. Make sure the color of the toner cartridge matches the slot on the toner cartridge carrier. Gently shake the cartridge to distribute the toner evenly.
.
"Cleaning Inside the Printer."