The FAQ below outlines the appropriate steps for printing and mailing your state tax return:
https://ttlc.intuit.com/community/printing/help/how-do-i-print-and-mail-my-return-in-turbotax-online/01/26258
When trying to file my state return by mail, the forms print blank, In preview the numbers are all filled in. I'm printing a VT return
Please follow the instructions below to troubleshoot your printing issues.
Troubleshoot printing issues in TurboTax Online - Community
CD/Download Troubleshoot printing issues in TurboTax CD/Downlo ...
If you're still having issues, please contact customer support by following the instructions below.
What is the TurboTax phone number? - Community