This is from Word, but the print dialogue is the same from other applications.
File > Print...
In the Print menu > Make sure to select the one of the copiers (xx-copier) > Copies & Pages > Printer Features
(if this does not show as an option, verify you are printing to a xerox copier and not a lexmark or personal printer)
In the "Printer Features" menu> "Secure Print". Type a pin, 4-8 numbers then hit Print and go to the copier.
AT THE COPIER
On the main screen select Jobs
In the Jobs menu > Secure Jobs
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Select the folder with your username (usually the first part of your email before the @pgst.nsn.us)
Type in the Pin you set above.
You should see your document, select it and hit Print All