Dell 3130cn Color Laser Printer - Manual (Page 217)

NOTE: To protect the drum against bright light, do not remove the orange protective cover of the print
cartridge before the cartridge is inserted into its slot in the printer.
3. Completely remove the seal from the print cartridge by pulling the tab on the end of the print cartridge. It is
approximately 856 mm long.
NOTE: Pull the seal out straight. Pulling the seal diagonally may tear it.
4. Grasp both handles of the print cartridge with the label facing up and slide the cartridge into the same color slot.
Ensure the cartridge is fully inserted.
5. Remove the orange protective cover of the installed print cartridge and discard.
6. Close the front cover.