1. Navigate to Home > Set Preferences > Transactions Tab > Printing section > Print Using HTML > should be cleared or unchecked so that the printing will be in PDF format.
2. Navigate to Transactions > Management > Print Checks and Forms > Invoices > Check on Allow Reprinting check box (this will show all invoices in the queue), mark Print box > click Print.
The result is a PDF file copy of the Invoices and instead of printing them in paper, there will be an option to save a soft copy of this PDF file in the computer.