You should download the pdf file for the whole federal and state returns and all worksheets for your records and backup. Then you can print just the pages you need to mail. Also save the .tax2021 file for backup and if you ever need to amend in the future.
Save the PDF
https://ttlc.intuit.com/community/saving/help/how-do-i-save-my-turbotax-online-return-as-a-pdf/00/26...
Save the tax file
https://ttlc.intuit.com/community/saving/help/how-do-i-save-my-turbotax-online-return-as-a-tax-data-...
