Not Able to Print Invoices in QuickBooks There may be problems that force you to stop working, and some of your important tasks may be put off because of this. Small font size may be another problem with printers. If the issue persists, reinstall or update the printer drivers. If using a network printer, ensure it is properly connected to the network. For instant assistance contact to our QuickBooks Experts Team at +1(855)-738-0359.