Troubleshooting100 Phaser 7800 Color PrinterUser GuideGeneral TroubleshootingThis section includes: Printer Does Not Turn On ............................................................................................................................................100 Printer Resets or Turns Off Frequently ...................................................................................................................101 Printing Takes Too Long ..............................................................................................................................................101 Document Prints From Wrong Tray ........................................................................................................................101 Document Fails to Print ...............................................................................................................................................102 Printer is Making Unusual Noises.............................................................................................................................102 Automatic 2-Sided Printing Problems ....................................................................................................................102 Date and Time Are Incorrect .....................................................................................................................................103This section contains procedures to help you locate and resolve problems. Resolve some problems bysimply restarting the printer.Printer Does Not Turn OnProbable Causes SolutionsOne of the power switches is not turned on. Turn off both of the power switches. The Main Power switch isbehind the front door and the Secondary Power switch is on the topof the printer. Wait two minutes, then turn on both of the switches.For details, see Turning the Printer On and Off on page 28.The power cord is not correctly plugged intothe outlet.Turn off the printer power switch, and plug the power cord securelyinto the outlet. For details, see Turning the Printer On and Off onpage 28.Something is wrong with the outlet connectedto the printer. Plug another electrical appliance into the outlet and see if itoperates 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 the ElectricalSpecifications on page 166.CAUTION: Plug the three-wire cord with grounding prong directly into a grounded AC outlet.