1.       Check whether the printer is on;

Confirm that the printer has been powered on. If not, Plug the printer power line according the following picture, and press the power button for more than 0.5 seconds to start the printer.

 

2.       Use the picture below to confirm that the PC and printer have been connected through a USB cable;

3.       If the above steps failed to solve the problem, re-install the USB driver of the printer.

1)     Download and run the installer from website http://www.lenovoimage.com/;

2)     Install the printer driver ;

3)     Open "Lenovo Print" again and click "Refresh" button. Select the installed USB printer and it will work normally.