Lexmark 840 Series User Manual page 12

Use the To
USB port Connect the printer to a computer using a USB cable.
1
2 Power supply Connect the printer to a power source using the power cord.
1
Plug the cord all the way into the power supply on the printer.
2
Plug the cord into an electrical outlet that other electrical devices have been using.
3
If the light is not on, press .
Learning about the printer
12