After you file

IF you are using 2016 Desktop software with High Sierra.  That's a known issue
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For desktop 2016 users, you will have to make your selections in Forms Mode on the Federal Information Worksheet.

ANd perhaps you might ahve to print form Forms Mode too...

but @macuser_22 knows the details better for this situation

(IF you are using desktop 2016 MAC software for preparing/filing a 2016 tax return on paper)
____________*Answers are correct to the best of my knowledge when posted, but should not be considered to be legal or official tax advice.*