TroubleshootingWorkCentre 7120 Multifunction PrinterUser Guide177General TroubleshootingThis section contains procedures to help you locate and resolve problems. Some problems can beresolved by simply restarting the printer.To restart the printer, see Turning the Printer Off on page 40.If the problem is not resolved by restarting the printer, see the table in this chapter that best describesthe problem.• Printer Does Not Turn On on page 177• Printing Takes Too Long on page 178• Printer Resets or Turns Off Frequently on page 178• Printer Is Making Unusual Noises on page 178• 2-Sided Printing Problems on page 178• Scanner Error on page 179Printer Does Not Turn OnCAUTION: Plug the three-wire power cord (with grounding prong) directly into a grounded ACoutlet only. Do not use a power strip. If necessary, contact a licensed electrician to install aproperly grounded outlet.Probable Causes SolutionsThe power switch is not correctly turned on. Turn off the printer using the power switch visible on the lowercenter tray. Wait two minutes, then turn the printer on.Ensure that the main power switch behind the front cover ofthe printer is in the on position.The power cord is not correctly plugged intothe outlet.Turn off the printer, and plug the power cord securely intothe outlet.Something is wrong with the outlet connectedto the printer.Plug another electrical appliance into the outlet and seewhether it operates properly.Try a different outlet.The printer is connected to an outlet with avoltage or frequency that does not match theprinter specifications.Use a power source with the specifications listed in ElectricalSpecifications on page 212.