Dell 5110cn Color Laser Printer - Manual (Page 61)

NOTICE: Lowering the cartridge into the printer without correctly aligning the rollers with the slots
can damage the cartridge.
NOTICE: Do not allow the surface covered with a protective sheet to come into contact with
anything.
Pull the protective cover on the imaging drum straight up to remove it. 5.
NOTICE: Do not touch the transfer roller (black-colored roller). Make sure that nothing touches or
scratches the roller surface. Scratches or oil from your hands on the roller deteriorates print quality.
Close the top cover. 6.
Close the front cover. 7.