To print a return without a watermark follow the steps that are provided below:

1. After you pay for the tax return the print option becomes available

2. Then you can select "print and mail to CRA". This will make it so you can get a PDF without a watermark which you can use to print.                                         

For more explanations and other methods, I would suggest checking this post from TurboTax

Thanks for choosing TurboTax!