Dell C5765DN Dell Color Laser Multifunction Printer User's Guide - Page 240

13 Maintenance 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. 240