The default printer is the printer that is automatically selected in the options when a document is sent to print. For most users, the default printer should be ‘uoc-printing-admin on Scorpion’. If any other printer in your list becomes the default printer, you may need to set it back manually:
To set or change the default printer click on the ‘start’ menu at the bottom left of your screen and choose ‘Devices and Printers’:

The Devices and Printers window will open. Right click on the printer you want to select as the default and choose ‘set as default printer’. A green tick will then appear over the relevant picture.

Next time a document is sent to print ‘uoc-printing-admin on scorpion’ should be automatically selected as the printer.