Open the «Printers» («Printers and Faxes» on Windows XP)
Delete all of the printers
Click «File» and choose «Server Properties»
Select the «Drivers» tab and remove all entries
Stop «Print Spooler»
Navigate to "%systemroot%/system32/spool/printers" and delete any files there
Navigate to "%systemroot%/system32/spool/drivers/w32x86"
Delete all of the files and sub-folders in each of the 2 and 3 folders, but not the folders themselves
Start «Print Spooler»
