By default, all warning events are logged in the Event Log on the Print Services page in Server Manager. To stop logging these events, follow these steps:
Open Control Panel and select Printers.
Point to a blank place in the window and right-click. Select Run As Administrator and then select Server Properties. (See Figure 10-10.)
Figure 10-10. Opening print server properties as an administrator
Click the Advanced tab and clear the Show Informational Notifications For Network Printers check box.
Click OK to finish.