To print your Federal W2:

Go to Tax Tools (bottom left)

Click on print center 

Select  Print, save or preview this year's return 

Select Federal

Choose Include government and TurboTax worksheets (optional)

Click view or print Forms

scroll to find your W2 It will be called Forms W2 and W2 G Summary

Look to see what page this is and click print and selection and choose that page/s to print.

Or you can print the entire section, but it may be quite a few pages.