I cannot get the recommended firmware update to install. No buttons on the display panel are responsive to disable LAN. Power button does not turn off power. Yellow indicator light just flashes. Laptop does not find printer when using USB (tried ...
With MX492 the printer powers on, but the input pad/buttons including the power button are totally unresponsive. The yellow/green indicator light continually flashes. I don't have the router turned on and I turn off WiFi on my laptop, USB is connec...
