Dell 2130cn Color Laser Printer - Manual (Page 138)

A USB port requires a USB cable. Ensure that you match the USB symbol on the cable to the USB symbol on the printer.
Plug the other end of the cable into a USB 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.
Do not use extension cords or power strips.
The printer should not be plugged into a UPS system.
2. Turn on the computer and the printer.
Connecting the Printer to the Network
To attach the printer to a network:
1. Ensure the printer, computer, and any other attached devices are turned off and unplugged.
2. Connect the printer to the network using an Ethernet cable or the optional wireless printer adapter.
NOTICE: Do not plug a USB cable into the USB port on your keyboard (If present).
2 Wireless Printer Adapter Socket
3 Ethernet Port
NOTE: When the wireless printer adapter is connected, you cannot use the Ethernet port for a wired connection.