he printer driver is the connection between your computer and your printer that relays commands to tell the printer how and what to print [source: Canon]. There are many possible reasons why your printer driver might stop working. For example, it could be corrupted or incompatible, the settings might be wrong or it might be missing updates [source: Microsoft]. Fixing a printer driver error is often simply a matter of updating, installing or reinstalling the driver [source: Microsoft].

Here's how to install a new printer driver:

Go to the printer manufacturer's Web site and search for print drivers, printer drivers or drivers.
Find the right driver for your printer model.
Download and install the driver [source: Adobe]. You may have to restart the computer after installing the new driver.
Reinstalling the driver software that came with the printer is fairly easy. Simply insert the disc in your disc drive and follow the instructions that appear on your screen [source: Microsoft].

You can update your driver using Windows Update. Once it's set up, Windows Update will download and install recommended updates for your printer automatically [source: Microsoft]. Here's what how to set it up:

Press Start in the bottom left corner of your screen. A popup menu will appear.
Type Update in the Search bar, and a list of results will appear. Depending on your version of Windows, you may have to select All Programs from the first popup menu. Click Windows Update and in the left pane, click Check for updates. Depending on your version of Windows, you may have to select Select the updates you want to install page, followed by clicking OK. You'll then click Install updates on the Windows Update page. Similarly, you may have to select View available updates and then click Install for the driver you wish to install [source: Microsoft].
Provide a password or confirmation if you're prompted to do so. This will show that you're authorized to make this type of change. When the process is complete, a box will pop up, saying that the printer driver has been installed correctl
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etwork) to your printer, and unless you purposely disabled this feature it should already be turned on.

Each device on a network also has a MAC address, and if you've previously tweaked your network's security settings to only allow specific MAC addresses, you'll need to add your printer's. Otherwise it won't be able to connect.