IJ Network Tool To use the machine over LAN, make sure you have the equipment necessary for the connection type, such as an access point. Do not start up IJ Network Tool while printing. Do not print when IJ Network Tool is running.
This article also applies to the PIXMA MX439 Make sure that the power is turned on , open the front cover (C), then open the paper output tray (D). Open the paper output cover (E).
Confirming that the Power Is On The POWER lamp is lit green when the machine is turned on . Even if the LCD is off, if the POWER lamp is lit, the machine is on.
Cancel printing, turn off the machine. Then clear the jammed paper or protective material that is preventing the FINE Cartridge Holder from moving, and turn on the machine again.