How to Cancel Things After You Have Sent Them to the Printer

Double-click the printer icon in the Notification area on the taskbar to display the print queue for the printer.
Click to highlight the print job you want to cancel, choose 'Document' and select 'Cancel' from the menu.
Select 'Printer' and 'Cancel All Documents' to cancel your print jobs and any other print jobs that your security settings allow you to cancel.