Dell 3115cn Color Laser Printer - Manual (Page 473)

Replace the tray into the multifunction printer. 3.
Replacing the Transfer Belt Unit
CAUTION: Before performing any of the following procedures, read and follow the safety
instructions in your Owner's Manual or Product Information Guide.
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.