Printer Suddenly Stopped Working for Some ReasonFirst, make sure printer is turned on. Next, make sure that you can view any web page on the Internet withyour computer. After confirming the two, use the IJ Network Device Setup Utility to diagnose and repairnetwork status.Select the link below to download IJ Network Device Setup Utility and install it.Checking Printer Connection Status Using IJ Network Device Setup UtilitySee below for starting up IJ Network Device Setup Utility.• For Windows:Starting Up IJ Network Device Setup Utility• For macOS:Starting Up IJ Network Device Setup UtilityIf the problem persists after diagnosis and repair with IJ Network Device Setup Utility, check the followingitems.Cannot Connect to a Printer after Network Configuration ChangesCannot Connect to a Printer via Wireless LAN (Wi-Fi)Cannot Connect to a Printer through Wireless DirectCannot Print/Scan/Fax through NetworkCannot Connect to a Printer after Network Configuration ChangesIt may take a while for the computer to obtain an IP address, or you may need to restart your computer.Make sure the computer has obtained a valid IP address, and try again to find the printer.Cannot Connect to a printer via Wireless LAN (Wi-Fi)Check1 Check the power status of printer, network devices (e.g. wireless router), andsmartphone/tablet.• Turn on the printer or devices.• If the power is already turned on, cycle the power switch.• It may be necessary to resolve wireless router problems (e.g. update interval of a key, problems of DHCPupdate interval, energy saving mode, etc.) or to update the wireless router firmware.For details, contact the manufacturer of your wireless router.330