Many a time it happens that your printer offline and it is not able to connect with your PC or device you are using for printouts. There are some recommended steps to be followed to get the printer back online these are:Check whether the printer is turned ON and connected correctly with Wi-Fi with your device.Then check the printer power cycle. Check all the possible knobs connected to the power, at times the wire gets loose and the current does not pass through and reach the printer.Then you can set your printer as the default printer.