Spooler
Clearing Print Queue from Net Spooler Procedure: Select Start. Type Command. Right-click Command Prompt and select Run as administrator. Type net stop spooler, then press Enter. Type del %systemroot%\System32\spool\printers\* /Q, then press Enter. Type net start spooler, then press Enter. The print queue on your Windows should now be cleared. Type exit, then press Enter to exit the command windows.