Dell 3115cn Color Laser Printer - Manual (Page 389)

Confirm that there are no scraps of paper remaining inside the multifunction printer, and then close the
front cover. 6.
Removing Print Jams From the Optional Duplexer
NOTICE: Ensure nothing touches or scratches the surface (black-colored film) of the transfer belt
unit. Scratches, dirt, or oil from your hands on the film of the transfer belt unit may reduce print
quality.
NOTICE: To protect the drums of the print cartridges against bright light, close the front cover within
five minutes. If the front cover remains open for more than five minutes, print quality may
deteriorate.