If you have hung print jobs in Windows 7 or Vista, you can clear the print queue easily by using these steps.
1. Click Start.
2. Type Command.
3. Right-click Command Prompt and select Run as administrator.
4. Type net stop spooler then press Enter.
5. Type del %systemroot%\System32\spool\printers\* /Q then press Enter.
6. Type net start spooler then press Enter.
The print queue on your Windows 7/Vista system should now be cleared. Type exit and press Enter to exit the command window.