Click the "Start" menu icon located on the bottom left side of your Windows 7 toolbar. Type "services.msc" (without quotes) into the search box located on the bottom of the start menu and press enter using your keyboard. Click the "Services" program icon displayed on top of the start menu.
Scroll through the list and double-click the "Print Spooler" service. Click on the "Stop" button followed by the "Start" button displayed on the print spooler properties dialog box.
Click on the "Startup type" drop-down selection box and choose "Automatic," click "OK" to finish the process. Choosing the automatic start-up selection will ensure that Windows 7 loads the print spooler service each time you start your computer
Read more: How to Start a Printer Spooler Service
How to Open a Print Spooler
Log on to your computer and click the "Start" button. Choose "Control Panel" from the menu.
Double-click the "Administrative Tools" icon. Click "Classic View" if you do not see "Administrative Tools." This might be necessary, depending on the settings in Windows XP, Windows Vista or Windows 7.
Double-click "Services" and scroll down to "Print Spooler." Right-click and choose "Properties" from the drop-down list.
Go to the "Startup type" option and change it to "Automatic." This will ensure that the print spooler service starts each time your computer does.
Read more: How to Open a Print Spooler | eHow.com http://www.ehow.com/how_7175439_open-print-spooler.html#ixzz14sy651cE
