Dell 3130cn Color Laser Printer - Manual (Page 11)

To attach the printer to a computer:
1. Ensure that the printer, computer, and any other attached devices are turned off and unplugged.
2. Connect the printer to the computer using a USB or parallel cable.
1 Parallel port
2 USB port
NOTICE: Do not plug a USB cable into the USB keyboard.
A USB/parallel port requires a USB/parallel cable. Ensure that you match the USB/parallel symbol on the cable to the
USB/parallel symbol on the printer.
Plug the other end of the cable into a USB or parallel port on the back of the computer.
Turn On the Printer
1. Connect the power cable to the printer and plug it into a power source.
CAUTION: Do not use extension cords or power strips.
CAUTION: The printer should not be plugged into a UPS system.
2. Turn on the computer and the printer. When you use the USB cable, the USB driver is automatically installed.