356 TroubleshootingWireless Problems (Dell C1765nfw Color Multifunction Printer only)Other ProblemsContacting ServiceWhen you call for printer service, be prepared to describe the problem you are experiencing or the error message onthe display.You need to know the model of your printer type and serial number. See the label located inside the side door of yourprinter.Problem ActionCannot setup wireless connection. Ensure that the Ethernet and USB cable are disconnected from the printer.Ensure that Wi-Fi is set to On. See "Wi-Fi (Dell C1765nfw Color MultifunctionPrinter only)" on page 180.Try disabling the firewall on your computer. The firewall on your computer may beblocking communication with your printer.Cannot setup wireless connection with WPS(Wi-Fi Protected Setup ®).Ensure that the security setting of the wireless LAN access point or router is WPAor WPA2. (WEP is not supported on WPS.)Cannot setup wireless connection with theWPS-PBC (Wi-Fi Protected Setup-PushButton Configuration).Press the WPS button on the wireless LAN access point or router within 2 minutesafter starting the WPS operation on the printer. For details about the wireless LANaccess point or router, refer to the manual supplied with the wireless LAN accesspoint or router.Cannot setup wireless connection withWPS-PIN (Wi-Fi Protected Setup-PersonalIdentification Number).Check if the PIN you have entered on the computer is correct.Problem ActionCondensation has occurred inside theprinter.This usually occurs within several hours after you heat the room in winter. Thisalso occurs when the printer is operating in a location where relative humidityreaches 85% or more. Adjust the humidity or relocate the printer to an appropriateenvironment.No file is displayed on the operator panelwhen you are selecting a file for Printingfrom USB Memory feature.Confirm that there are files with the supported file formats (PDF, TIFF, or JPEG)in the USB storage device.If the target file is in a deep hierarchy in the USB storage device, move the file tothe root directory in the USB storage device with your computer.Shorten the target file name in the USB storage device with your computer, and tryprinting again.
