To Print an Estimate/Invoice just go to Dashboard > Propovoice

1. From an Estimate/Invoice go to Preview & Share tab
2. Click on the Print button.

Then will appear a print dialog.

1. From the Destination field select your printer.
2. From the Layout make sure you are in the Portrait layout.
3. From the Paper size make sure A4 size paper.
4. Make sure your Preview looks good.
5. Then Click on Print to print this Preview.