Dell 3010cn Color Laser Printer - Manual (Page 106)

Condensation has occurred inside the printer.
l Using the operator panel, set the time the printer is in the power saver mode to 60 minutes, and then leave the printer turned on. The inside of the
printer warms up and condensation evaporates. When the condensation evaporates you can use the printer normally.
Contacting Service
When you call for printer service, be prepared to describe the problem you are experiencing or the error message on the display.
You need to know your printer model type and serial number. See the label on the back of the printer near the power cable for this information.
Troubleshooting Guide
Configuration of your printer instructions
User Settings
Menu Map