How are you connected to the printer? wired of wireless?

If wired, disconnect your printer. Go to start/programs/Dell printers and un-install your printer.

Restart your computer.

Now go to drivers and downloads/select product/printers/select your printer.

Install your printer. You'll be prompted when to connect it.

If wireless, fix your network first.

Update the firmware in your wireless router. Manufacturer's website, make & Model needed.

Broadcast SSID(You may want to change this to make it easier to connect)

Use WPA security

use b and g mode

Channels 1, 6 or 11. Devices work better on these channels

After router is done, now setup your wireless print server/printer.

If wireless printer server is used, Plug USB cable into computer and print server. Insert the print server disk. Choose Network, then choose print server and follow the instructions.

Now setup the printer.

Now go to drivers and downloads/select product/printers/select your printer.

Install your printer. Choose Network. Install the drivers.

Everything should now work.