Dell C5765DN MFP Color Laser Printer - Manual (Page 240)

13 Maintenance
240
Cleaning the Machine
This section describes how to clean the machine such as the machine exterior, document
cover, document feeder, and document glass.
Cleaning the Exterior
The following describes how to clean the exterior of the machine.
Note • Do not use benzene, paint thinner, or other volatile liquids or spray insect repellent on the machine as
they might discolor, deform, or crack covers.
• Cleaning the machine with an excessive amount of water may cause the machine to malfunction or
damage documents during copying.
1
Wipe the exterior with a firmly wrung soft cloth
moistened with water.
Note • Do not use cleaning agents other than water
or neutral detergent.
• If you cannot remove the dirt easily, gently
wipe the machine with a soft cloth moistened
with a small amount of neutral detergent.
2
Wipe off any excess water with a soft cloth.
Cleaning the Interior (Laser Scanners)
The following describes how to clean the interior (laser scanners or Raster Output Scanner
(ROS)) of the machine.
Normally, clean the laser scanners when you replace the drum cartridges or waste toner
container. However, if you have image quality problems such as white or colored stripes
appear on copied or printed outputs, clean the laser scanners.
Note • To prevent electric shock, always turn off the machine and disconnect the power cable from the
grounded outlet before performing maintenance.
• Clean the laser scanners periodically when you replace the drum cartridges or waste toner container.
1
Make sure that the machine is not operating,
and open the front cover.