After printing, if AT THE TOP of the form it says keep for your records, you do not need to mail. If the form says something such as complete and attach to form 1040 etc, then you will send it with your tax return. Most of the worksheets do not need to be attached. They are for your records.
Where to file:
https://www.irs.gov/filing/where-to-file-paper-tax-returns-with-or-without-a-payment
You can use Print Center to print; you will have an option to print which includes any and all worksheets. This option should also give you a “clean version” with no watermarks. Follow the steps below:
If your return is still open, you can click on Tax Tools (left-hand side of the screen), and then Print Center.
If you have already printed and filed, these are directions to Print Center:
1. Log back into your account (if not already open).
2. Click on Tax Home (left-hand side).
3. Scroll down to your tax returns & documents and click on Show
4. Click on Add a State to get back in return.
5. In the left hand-menu, Click on Tax Tools.
6. Select Print Center.
7. Then choose Print, save or preview this year’s return.
8. Now check the 2017 federal returns (or 2017 state returns) box and choose which forms to print out or all worksheets.
9. Select View or print forms, then go ahead and print.
The information below will assist you with troubleshooting printing:
https://ttlc.intuit.com/replies/5757351