Wix Blog: Enabling a Printer-Friendly Version of Your Posts
Add a "Print Post" icon to create a printer-friendly version of your blog posts for your site visitors to print out. For example, if you have a cookery blog, you can add a Print Post icon to your recipe posts so your visitors can print them out to try for themselves.

To enable a printer-friendly version of your posts:
Wix Editor
Go to your Post page:
Click Pages & Menu

on the left side of the editor.
Click Blog Pages.
Click Post.
Click the Post Page element on your page.
Click Settings.
Click the Display tab.
Click Share & Print.
Enable the Enable share & print icons toggle.
Select the Print Post checkbox.

Publish your site.
Studio Editor
Go to your Post page:
Click Pages

on the left side of the editor.
Click Post under Blog Pages.
Click the Blog Post element on your page.
Click Settings.
Click the Display tab.
Click Share & Print.
Enable the Enable share & print icons toggle.
Select the Print Post checkbox.

Publish your site.
Wix Harmony Editor
Click the Page dropdown at the top left of the page.
(In the Site Pages panel) Select the Post page under Blog Pages.
Tip: Jump to the page you need by clicking the dropdown next to Site Pages and selecting Blog Pages.
Click the blog post element on your page.
Click Settings.
Click the Display tab.
Click Share & Print.
Enable the Enable share & print icons toggle.
Select the Print Post checkbox.