Change the Printer Spooler Priority (Windows NT/2000/XP)
Normally the printer spooler runs at the same priority as other services on a system. If your system is being mainly used for printing or handles a large number of print jobs you can use this tweak to change the priority class the print spooler.

Enable Wide Text Printing in Microsoft Word (All Windows)
When you print a document that contains extended characters, such as Greek symbols, to certain printers that do not support Unicode characters, the extended characters may be printed as square boxes. This tweak should resolve the problem on most printers.

Disable Web Printing (Windows 2000/XP)
This restriction enables and disables server support for Internet printing. Internet printing lets you display printers on Web pages so they can be viewed, managed, and used across the Internet or an intranet.

Disable Print Job Notification in Event Viewer (Windows NT/2000/XP)
By default Windows NT server adds an entry in the event log for every print job occurring on the spooler. This can quickly fill up the event log with redundant information.

Define the Scheduler Priority (Windows NT/2000/XP)
This setting controls the overall priority of the printer scheduler.

Disable the Printer Server Browse Thread (Windows NT/2000/XP)
When this option is enabled, the print spooler does not send shared printer information to other print servers.

Beep on Printer Errors (Windows NT/2000/XP)
When this setting is enabled the machine will beep every few seconds when a remote job error occurs on a print server.

Changing the Default Printer Spool Directory (Windows NT/2000/XP)
Windows uses the hard drive to store information before sending it to a printer. If the system is acting as a print server it is possible that the default location may cause insufficient disk space.

Enable Print Job Notification Messages (Windows NT/2000/XP)
By default Windows notifies a user with a popup message that their print job has been completed on the printer. This setting controls that behavior.

Specify Where to Display Printer Notifications (Windows NT/2000/XP)
This setting controls whether print job notification should be sent to the local computer or the computer that the user first logged on to.

Specify the Printer Browser Timeout (Windows NT/2000/XP)
This setting is used to specify the time a network printer should remain in the browse list before it is removed.

Specify the Print Server Broadcast Timeout (Windows NT/2000/XP)
This setting is used to specify the timeout period between broadcasts of a print servers resources.

Show Cascading Printers Folder (Windows 2000/Me/XP)
This tweak controls whether the 'Printers' sub-folder under 'Settings' on the Start Menu, is displayed as a cascading folder.

Change a Users Default Printer (All Windows)
This setting will allow you the change the default printer of a user by modifying the registry.