There are two ways to do this:
1. Fill all the relevant data fields and click on Submit.
Preview screen will appear.
Click on the Save PDF button at the top.
Preview screen will appear.
Click on the print icon on preview screen of the PDF.
Select your printer and click OK.
2. If you have already created the invoice earlier and want to save and print it, click on the List Invoice.
Select the view option.
Click on the Save PDF button at the top.
Preview screen will appear. Click on the print icon on preview screen of the PDF.
Select your printer and click OK.